BiDirectional functionality BiDirectional means that communication is happening in two directions simultaneously.
The traditional WebDriver model involves strict request/response commands which only allows for communication to
happen in one direction at any given time. In most cases this is what you want; it ensures that the browser is
doing the expected things in the right order, but there are a number of interesting things that can be done with
asynchronous interactions.
This functionality is currently available in a limited fashion with the [Chrome DevTools Protocol] (CDP),
but to address some of its drawbacks, the Selenium team, along with the major
browser vendors, have worked to create the new WebDriver BiDi Protocol .
This specification aims to create a stable, cross-browser API that leverages bidirectional
communication for enhanced browser automation and testing functionality,
including streaming events from the user agent to the controlling software via WebSockets.
Users will be able to listen for and record or manipulate events as they happen during the course of a Selenium session.
Enabling BiDi in Selenium In order to use WebDriver BiDi, setting the capability in the browser options will enable the required functionality:
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Kotlin options . setCapability ( "webSocketUrl" ,   true ); options . enable_bidi  =  True options . web_socket_url  =  true options . setCapability ( "webSocketUrl" ,  true ); This enables the WebSocket connection for bidirectional communication,
unlocking the full potential of the WebDriver BiDi protocol.
Note that Selenium is updating its entire implementation from WebDriver Classic to WebDriver BiDi (while
maintaining backwards compatibility as much as possible), but this section of documentation focuses on the new
functionality that bidirectional communication allows.
The low-level BiDi domains will be accessible in the code to the end user, but the goal is to provide
high-level APIs that are straightforward methods of real-world use cases. As such, the low-level
components will not be documented, and this section will focus only on the user-friendly
features that we encourage users to take advantage of.
If there is additional functionality you’d like to see, please raise a
feature request .
1 - WebDriver BiDi Logging Features These features are related to logging. Because “logging” can refer to so many different things, these methods are made available via a “script” namespace.
Remember that to use WebDriver BiDi, you must enable it in Options.
For more details, see Enabling BiDi 
Console Message Handlers Record or take actions on console.log events.
Add Handler 
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Kotlin     driver . script . add_console_message_handler ( log_entries . append )      driver . script . add_console_message_handler  {  | log |  log_entries  <<  log  }  Remove Handler You need to store the ID returned when adding the handler to delete it.
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Kotlin     id  =  driver . script . add_console_message_handler ( log_entries . append ) 
     driver . script . remove_console_message_handler ( id )      id  =  driver . script . add_console_message_handler  {  | log |  log_entries  <<  log  } 
     driver . script . remove_console_message_handler ( id )  JavaScript Exception Handlers Record or take actions on JavaScript exception events.
Add Handler 
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Kotlin     driver . script . add_javascript_error_handler ( log_entries . append )      driver . script . add_javascript_error_handler  {  | error |  log_entries  <<  error  }  Remove Handler You need to store the ID returned when adding the handler to delete it.
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Kotlin     id  =  driver . script . add_javascript_error_handler ( log_entries . append ) 
     driver . script . remove_javascript_error_handler ( id )      id  =  driver . script . add_javascript_error_handler  {  | error |  log_entries  <<  error  } 
     driver . script . remove_javascript_error_handler ( id )  2 - WebDriver BiDi Network Features These features are related to networking, and are made available via a “network” namespace.
The implementation of these features is being tracked here: #13993 
Remember that to use WebDriver BiDi, you must enable it in Options.
For more details, see Enabling BiDi 
Authentication Handlers Request Handlers Response Handlers 3 - WebDriver BiDi Script Features These features are related to scripts, and are made available via a “script” namespace.
The implementation of these features is being tracked here: #13992 
Remember that to use WebDriver BiDi, you must enable it in Options.
For more details, see Enabling BiDi 
Script Pinning Execute Script DOM Mutation Handlers 4 - Chrome DevTools Protocol Examples of working with Chrome DevTools Protocol in Selenium. CDP support is temporary until WebDriver BiDi has been implemented.
Many browsers provide “DevTools” – a set of tools that are integrated with the browser that
developers can use to debug web apps and explore the performance of their pages. Google Chrome’s
DevTools make use of a protocol called the Chrome DevTools Protocol (or “CDP” for short).
As the name suggests, this is not designed for testing, nor to have a stable API, so functionality
is highly dependent on the version of the browser.
Selenium is working to implement a standards-based, cross-browser, stable alternative to CDP called
[WebDriver BiDi]. Until the support for this new protocol has finished, Selenium plans to provide access
to CDP features where applicable.
Chrome and Edge have a method to send basic CDP commands.
This does not work for features that require bidirectional communication, and you need to know what domains to enable when
and the exact names and types of domains/methods/parameters.
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Kotlin      Map < String ,   Object >   cookie   =   new   HashMap <> (); 
      cookie . put ( "name" ,   "cheese" ); 
      cookie . put ( "value" ,   "gouda" ); 
      cookie . put ( "domain" ,   "www.selenium.dev" ); 
      cookie . put ( "secure" ,   true ); 
      (( HasCdp )   driver ). executeCdpCommand ( "Network.setCookie" ,   cookie );     cookie  =  { 'name' :  'cheese' , 
               'value' :  'gouda' , 
               'domain' :  'www.selenium.dev' , 
               'secure' :  True } 
 
     driver . execute_cdp_cmd ( 'Network.setCookie' ,  cookie )              var  cookie  =  new  Dictionary < string ,  object > 
             { 
                 {  "name" ,  "cheese"  }, 
                 {  "value" ,  "gouda"  }, 
                 {  "domain" ,  "www.selenium.dev"  }, 
                 {  "secure" ,  true  } 
             }; 
             (( ChromeDriver ) driver ). ExecuteCdpCommand ( "Network.setCookie" ,  cookie );      driver . execute_cdp ( 'Network.setCookie' , 
                        name :  'cheese' , 
                        value :  'gouda' , 
                        domain :  'www.selenium.dev' , 
                        secure :  true )  To make working with CDP easier, and to provide access to the more advanced features, Selenium bindings
automatically generate classes and methods for the most common domains.
CDP methods and implementations can change from version to version, though, so you want to keep the
version of Chrome and the version of DevTools matching. Selenium supports the 3 most
recent versions of Chrome at any given time,
and tries to time releases to ensure that access to the latest versions are available.
This limitation provides additional challenges for several bindings, where dynamically
generated CDP support requires users to regularly update their code to reference the proper version of CDP.
In some cases an idealized implementation has been created that should work for any version of CDP without the
user needing to change their code, but that is not always available.
Examples of how to use CDP in your Selenium tests can be found on the following pages, but
we want to call out a couple commonly cited examples that are of limited practical value.
Geo Location  — almost all sites use the IP address to determine physical location,
so setting an emulated geolocation rarely has the desired effect.Overriding Device Metrics  — Chrome provides a great API for setting Mobile Emulation 
in the Options classes, which is generally superior to attempting to do this with CDP.4.1 - Chrome DevTools Logging Features Logging features using CDP.
While Selenium 4 provides direct access to the Chrome DevTools Protocol, these
methods will eventually be removed when WebDriver BiDi implemented.
Console Logs 
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Kotlin      (( HasLogEvents )   driver ). onLogEvent ( consoleEvent ( e   ->   messages . add ( e . getMessages (). get ( 0 ))));     async  with  driver . bidi_connection ()  as  session : 
         async  with  Log ( driver ,  session ) . add_listener ( Console . ALL )  as  messages :              using  IJavaScriptEngine  monitor  =  new  JavaScriptEngine ( driver ); 
             var  messages  =  new  List < string >(); 
             monitor . JavaScriptConsoleApiCalled  +=  ( _ ,  e )  => 
             { 
                 messages . Add ( e . MessageContent ); 
             }; 
             await  monitor . StartEventMonitoring ();      driver . on_log_event ( :console )  {  | log |  logs  <<  log . args . first  }  JavaScript Exceptions 
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Kotlin     async  with  driver . bidi_connection ()  as  session : 
         async  with  Log ( driver ,  session ) . add_js_error_listener ()  as  messages :              using  IJavaScriptEngine  monitor  =  new  JavaScriptEngine ( driver ); 
             var  messages  =  new  List < string >(); 
             monitor . JavaScriptExceptionThrown  +=  ( _ ,  e )  => 
             { 
                 messages . Add ( e . Message ); 
             }; 
             await  monitor . StartEventMonitoring ();      driver . on_log_event ( :exception )  {  | exception |  exceptions  <<  exception  }  4.2 - Chrome DevTools Network Features Network features using CDP.
While Selenium 4 provides direct access to the Chrome DevTools Protocol, these
methods will eventually be removed when WebDriver BiDi implemented.
Basic authentication Some applications make use of browser authentication to secure pages.
It used to be common to handle them in the URL, but browsers stopped supporting this.
With this code you can insert the credentials into the header when necessary
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Kotlin      Predicate < URI >   uriPredicate   =   uri   ->   uri . toString (). contains ( "herokuapp.com" ); 
      Supplier < Credentials >   authentication   =   UsernameAndPassword . of ( "admin" ,   "admin" ); 
      (( HasAuthentication )   driver ). register ( uriPredicate ,   authentication );         credentials  =  base64 . b64encode ( "admin:admin" . encode ()) . decode () 
         auth  =  { 'authorization' :  'Basic '  +  credentials } 
         await  connection . session . execute ( connection . devtools . network . set_extra_http_headers ( Headers ( auth )))              var  handler  =  new  NetworkAuthenticationHandler () 
             { 
                 UriMatcher  =  uri  =>  uri . AbsoluteUri . Contains ( "herokuapp" ), 
                 Credentials  =  new  PasswordCredentials ( "admin" ,  "admin" ) 
             }; 
             var  networkInterceptor  =  driver . Manage (). Network ; 
             networkInterceptor . AddAuthenticationHandler ( handler ); 
             await  networkInterceptor . StartMonitoring ();      driver . register ( username :  'admin' , 
                     password :  'admin' , 
                     uri :  /herokuapp/ )  Network Interception Both requests and responses can be recorded or transformed.
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Kotlin      try   ( NetworkInterceptor   ignored   = 
          new   NetworkInterceptor ( 
              driver , 
              ( Filter ) 
                  next   -> 
                      req   ->   { 
                        HttpResponse   res   =   next . execute ( req ); 
                        contentType . add ( res . getHeader ( "Content-Type" )); 
                        return   res ; 
                      }))   {             INetwork  networkInterceptor  =  driver . Manage (). Network ; 
             networkInterceptor . NetworkResponseReceived  +=  ( _ ,  e )   => 
             { 
                 contentType . Add ( e . ResponseHeaders [ "content-type" ]); 
             }; 
             await  networkInterceptor . StartMonitoring ();      driver . intercept  do  | request ,  & continue | 
       continue . call ( request )  do  | response | 
         content_type  <<  response . headers [ 'content-type' ] 
       end 
     end  
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Kotlin      try   ( NetworkInterceptor   ignored   = 
          new   NetworkInterceptor ( 
              driver , 
              Route . matching ( req   ->   true ) 
                  . to ( 
                      ()   -> 
                          req   -> 
                              new   HttpResponse () 
                                  . setStatus ( 200 ) 
                                  . addHeader ( "Content-Type" ,   MediaType . HTML_UTF_8 . toString ()) 
                                  . setContent ( Contents . utf8String ( "Creamy, delicious cheese!" )))))   {             var  handler  =  new  NetworkResponseHandler () 
             { 
                 ResponseMatcher  =  _  =>  true , 
                 ResponseTransformer  =  _  =>  new  HttpResponseData 
                 { 
                     StatusCode  =  200 , 
                     Body  =  "Creamy, delicious cheese!" 
                 } 
             }; 
             INetwork  networkInterceptor  =  driver . Manage (). Network ; 
             networkInterceptor . AddResponseHandler ( handler ); 
             await  networkInterceptor . StartMonitoring ();      driver . intercept  do  | request ,  & continue | 
       continue . call ( request )  do  | response | 
         response . body  =  'Creamy, delicious cheese!'  if  request . url . include? ( 'blank' ) 
       end 
     end  Request interception 
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Kotlin      try   ( NetworkInterceptor   ignored   = 
          new   NetworkInterceptor ( 
              driver , 
              ( Filter ) 
                  next   -> 
                      req   ->   { 
                        if   ( req . getUri (). contains ( "one.js" ))   { 
                          req   = 
                              new   HttpRequest ( 
                                  HttpMethod . GET ,   req . getUri (). replace ( "one.js" ,   "two.js" )); 
                        } 
                        completed . set ( true ); 
                        return   next . execute ( req ); 
                      }))   {             var  handler  =  new  NetworkRequestHandler 
             { 
                 RequestMatcher  =  request  =>  request . Url . Contains ( "one.js" ), 
                 RequestTransformer  =  request  => 
                 { 
                     request . Url  =  request . Url . Replace ( "one" ,  "two" ); 
 
                     return  request ; 
                 } 
             }; 
             INetwork  networkInterceptor  =  driver . Manage (). Network ; 
             networkInterceptor . AddRequestHandler ( handler ); 
             await  networkInterceptor . StartMonitoring ();      driver . intercept  do  | request ,  & continue | 
       uri  =  URI ( request . url ) 
       request . url  =  uri . to_s . gsub ( 'one' ,  'two' )  if  uri . path &. end_with? ( 'one.js' ) 
       continue . call ( request ) 
     end  
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Kotlin      devTools . send ( Performance . enable ( Optional . empty ())); 
      List < Metric >   metricList   =   devTools . send ( Performance . getMetrics ());     async  with  driver . bidi_connection ()  as  connection : 
         await  connection . session . execute ( connection . devtools . performance . enable ()) 
         metric_list  =  await  connection . session . execute ( connection . devtools . performance . get_metrics ())              await  domains . Performance . Enable ( new  OpenQA . Selenium . DevTools . V132 . Performance . EnableCommandSettings ()); 
             var  metricsResponse  = 
                 await  session . SendCommand < GetMetricsCommandSettings ,  GetMetricsCommandResponse >( 
                     new  GetMetricsCommandSettings () 
                 );      driver . devtools . performance . enable 
     metric_list  =  driver . devtools . performance . get_metrics . dig ( 'result' ,  'metrics' )  Setting Cookies 
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Kotlin      devTools . send ( 
              Network . setCookie ( 
                      "cheese" , 
                      "gouda" , 
                      Optional . empty (), 
                      Optional . of ( "www.selenium.dev" ), 
                      Optional . empty (), 
                      Optional . of ( true ), 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty ()));     async  with  driver . bidi_connection ()  as  connection : 
         execution  =  connection . devtools . network . set_cookie ( 
             name = "cheese" , 
             value = "gouda" , 
             domain = "www.selenium.dev" , 
             secure = True 
         ) 
         await  connection . session . execute ( execution )              var  cookieCommandSettings  =  new  SetCookieCommandSettings 
             { 
                 Name  =  "cheese" , 
                 Value  =  "gouda" , 
                 Domain  =  "www.selenium.dev" , 
                 Secure  =  true 
             }; 
             await  domains . Network . SetCookie ( cookieCommandSettings );      driver . devtools . network . set_cookie ( name :  'cheese' , 
                                        value :  'gouda' , 
                                        domain :  'www.selenium.dev' , 
                                        secure :  true )  Waiting for Downloads 
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Kotlin      devTools . send ( 
              Browser . setDownloadBehavior ( 
                      Browser . SetDownloadBehaviorBehavior . ALLOWANDNAME , 
                      Optional . empty (), 
                      Optional . of ( "" ), 
                      Optional . of ( true )));     driver . devtools . browser . set_download_behavior ( behavior :  'allow' , 
                                                   download_path :  '' , 
                                                   events_enabled :  true ) 
 
     driver . devtools . browser . on ( :download_progress )  do  | progress | 
       @completed  =  progress [ 'state' ]  ==  'completed' 
     end  4.3 - Chrome DevTools Script Features Script features using CDP.
While Selenium 4 provides direct access to the Chrome DevTools Protocol, these
methods will eventually be removed when WebDriver BiDi implemented.
Script Pinning 
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Kotlin      ScriptKey   key   =   (( JavascriptExecutor )   driver ). pin ( "return arguments;" ); 
      List < Object >   arguments   = 
          ( List < Object > )   (( JavascriptExecutor )   driver ). executeScript ( key ,   1 ,   true ,   element );             var  key  =  await  new  JavaScriptEngine ( driver ). PinScript ( "return arguments;" ); 
             var  arguments  =  (( WebDriver ) driver ). ExecuteScript ( key ,  1 ,  true ,  element );      key  =  driver . pin_script ( 'return arguments;' ) 
     arguments  =  driver . execute_script ( key ,  1 ,  true ,  element )  DOM Mutation Handlers 
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Kotlin     async  with  driver . bidi_connection ()  as  session : 
         async  with  Log ( driver ,  session ) . mutation_events ()  as  event :              using  IJavaScriptEngine  monitor  =  new  JavaScriptEngine ( driver ); 
             monitor . DomMutated  +=  ( _ ,  e )  => 
             { 
                 var  locator  =  By . CssSelector ( $"*[data-__webdriver_id='{e.AttributeData.TargetId}']" ); 
                 mutations . Add ( driver . FindElement ( locator )); 
             }; 
             await  monitor . StartEventMonitoring (); 
             await  monitor . EnableDomMutationMonitoring ();      driver . on_log_event ( :mutation )  {  | mutation |  mutations  <<  mutation . element  }  5 - BiDirectional API (W3C compliant) Examples of working with Chrome DevTools Protocol in Selenium. CDP support is temporary until WebDriver BiDi has been implemented.
The following list of APIs will be growing as the WebDriver BiDirectional Protocol  grows
and browser vendors implement the same.
Additionally, Selenium will try to support real-world use cases that internally use a combination of W3C BiDi protocol APIs.
If there is additional functionality you’d like to see, please raise a
feature request .
5.1 - Browsing Context Commands This section contains the APIs related to browsing context commands.
Open a new window Creates a new browsing context in a new window.
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Kotlin Selenium v4.8 
     void   testCreateAWindow ()   { 
          BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   WindowType . WINDOW ); 
          Assertions . assertNotNull ( browsingContext . getId ()); 
      } Selenium v4.8 
    const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       type :  'window' , 
     })  Open a new tab Creates a new browsing context in a new tab.
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Kotlin Selenium v4.8 
     void   testCreateATab ()   { 
          BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   WindowType . TAB ); 
          Assertions . assertNotNull ( browsingContext . getId ()); 
      } Selenium v4.8 
    const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       type :  'tab' , 
     })  Use existing window handle Creates a browsing context for the existing tab/window to run commands.
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Kotlin Selenium v4.8 
     void   testCreateABrowsingContextForGivenId ()   { 
          String   id   =   driver . getWindowHandle (); 
          BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   id ); 
          Assertions . assertEquals ( id ,   browsingContext . getId ()); 
      } Selenium v4.8 
    const  id  =  await  driver . getWindowHandle () 
     const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  id , 
     })  Open a window with a reference browsing context A reference browsing context is a top-level browsing context .
The API allows to pass the reference browsing context, which is used to create a new window. The implementation is operating system specific.
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Kotlin Selenium v4.8 
     void   testCreateAWindowWithAReferenceContext ()   { 
          BrowsingContext 
                  browsingContext   = 
                  new   BrowsingContext ( driver ,   WindowType . WINDOW ,   driver . getWindowHandle ()); 
          Assertions . assertNotNull ( browsingContext . getId ()); 
      } Selenium v4.8 
    const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       type :  'window' , 
       referenceContext :  await  driver . getWindowHandle (), 
     })  Open a tab with a reference browsing context A reference browsing context is a top-level browsing context .
The API allows to pass the reference browsing context, which is used to create a new tab. The implementation is operating system specific.
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Kotlin Selenium v4.8 
     void   testCreateATabWithAReferenceContext ()   { 
          BrowsingContext 
                  browsingContext   = 
                  new   BrowsingContext ( driver ,   WindowType . TAB ,   driver . getWindowHandle ()); 
          Assertions . assertNotNull ( browsingContext . getId ()); 
      } Selenium v4.8 
    const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       type :  'tab' , 
       referenceContext :  await  driver . getWindowHandle (), 
     })  Navigate to a URL 
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Kotlin Selenium v4.8 
     void   testNavigateToAUrl ()   { 
          BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   WindowType . TAB ); 
 
          NavigationResult   info   =   browsingContext . navigate ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
 
          Assertions . assertNotNull ( browsingContext . getId ()); 
          Assertions . assertNotNull ( info . getNavigationId ()); 
          Assertions . assertTrue ( info . getUrl (). contains ( "/bidi/logEntryAdded.html" )); 
      } Selenium v4.8 
    let  info  =  await  browsingContext . navigate ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' )  Navigate to a URL with readiness state 
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Kotlin Selenium v4.8 
     void   testNavigateToAUrlWithReadinessState ()   { 
          BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   WindowType . TAB ); 
 
          NavigationResult   info   =   browsingContext . navigate ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" , 
                  ReadinessState . COMPLETE ); 
 
          Assertions . assertNotNull ( browsingContext . getId ()); 
          Assertions . assertNotNull ( info . getNavigationId ()); 
          Assertions . assertTrue ( info . getUrl (). contains ( "/bidi/logEntryAdded.html" )); 
      } Selenium v4.8 
    const  info  =  await  browsingContext . navigate ( 
       'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' , 
       'complete' 
     )  Get browsing context tree Provides a tree of all browsing contexts descending from the parent browsing context, including the parent browsing context.
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Kotlin Selenium v4.8 
     void   testGetTreeWithAChild ()   { 
          String   referenceContextId   =   driver . getWindowHandle (); 
          BrowsingContext   parentWindow   =   new   BrowsingContext ( driver ,   referenceContextId ); 
 
          parentWindow . navigate ( "https://www.selenium.dev/selenium/web/iframes.html" ,   ReadinessState . COMPLETE ); 
 
          List < BrowsingContextInfo >   contextInfoList   =   parentWindow . getTree (); 
 
          Assertions . assertEquals ( 1 ,   contextInfoList . size ()); 
          BrowsingContextInfo   info   =   contextInfoList . get ( 0 ); 
          Assertions . assertEquals ( 1 ,   info . getChildren (). size ()); 
          Assertions . assertEquals ( referenceContextId ,   info . getId ()); 
          Assertions . assertTrue ( info . getChildren (). get ( 0 ). getUrl (). contains ( "formPage.html" )); 
      } Selenium v4.8 
    const  browsingContextId  =  await  driver . getWindowHandle () 
     const  parentWindow  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  browsingContextId , 
     }) 
     await  parentWindow . navigate ( 'https://www.selenium.dev/selenium/web/iframes.html' ,  'complete' ) 
 
     const  contextInfo  =  await  parentWindow . getTree ()  Get browsing context tree with depth Provides a tree of all browsing contexts descending from the parent browsing context, including the parent browsing context upto the depth value passed.
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Kotlin Selenium v4.8 
     void   testGetTreeWithDepth ()   { 
          String   referenceContextId   =   driver . getWindowHandle (); 
          BrowsingContext   parentWindow   =   new   BrowsingContext ( driver ,   referenceContextId ); 
 
          parentWindow . navigate ( "https://www.selenium.dev/selenium/web/iframes.html" ,   ReadinessState . COMPLETE ); 
 
          List < BrowsingContextInfo >   contextInfoList   =   parentWindow . getTree ( 0 ); 
 
          Assertions . assertEquals ( 1 ,   contextInfoList . size ()); 
          BrowsingContextInfo   info   =   contextInfoList . get ( 0 ); 
          Assertions . assertNull ( info . getChildren ());   // since depth is 0 
          Assertions . assertEquals ( referenceContextId ,   info . getId ()); 
      } Selenium v4.8 
    const  browsingContextId  =  await  driver . getWindowHandle () 
     const  parentWindow  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  browsingContextId , 
     }) 
     await  parentWindow . navigate ( 'https://www.selenium.dev/selenium/web/iframes.html' ,  'complete' ) 
 
     const  contextInfo  =  await  parentWindow . getTree ( 0 )  Get All Top level browsing contexts 
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Kotlin Selenium v4.8 
     void   testGetAllTopLevelContexts ()   { 
          BrowsingContext   window1   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
          BrowsingContext   window2   =   new   BrowsingContext ( driver ,   WindowType . WINDOW ); 
 
          List < BrowsingContextInfo >   contextInfoList   =   window1 . getTopLevelContexts (); 
 
          Assertions . assertEquals ( 2 ,   contextInfoList . size ()); 
      } Selenium v4.20.0 
    const  id  =  await  driver . getWindowHandle () 
     const  window1  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  id , 
     }) 
     await  BrowsingContext ( driver ,  {  type :  'window'  }) 
     const  res  =  await  window1 . getTopLevelContexts ()  Close a tab/window 
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Kotlin Selenium v4.8 
     void   testCloseAWindow ()   { 
          BrowsingContext   window1   =   new   BrowsingContext ( driver ,   WindowType . WINDOW ); 
          BrowsingContext   window2   =   new   BrowsingContext ( driver ,   WindowType . WINDOW ); 
 
          window2 . close (); 
 
          Assertions . assertThrows ( BiDiException . class ,   window2 :: getTree ); 
      } 
 
      @Test 
      void   testCloseATab ()   { 
          BrowsingContext   tab1   =   new   BrowsingContext ( driver ,   WindowType . TAB ); 
          BrowsingContext   tab2   =   new   BrowsingContext ( driver ,   WindowType . TAB ); 
 
          tab2 . close (); 
 
          Assertions . assertThrows ( BiDiException . class ,   tab2 :: getTree ); 
      } Selenium v4.8 
    const  window1  =  await  BrowsingContext ( driver ,  { type :  'window' }) 
     const  window2  =  await  BrowsingContext ( driver ,  { type :  'window' }) 
 
     await  window2 . close ()  Activate a browsing context 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.14.1 
         BrowsingContext   window1   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
          BrowsingContext   window2   =   new   BrowsingContext ( driver ,   WindowType . WINDOW ); 
 
          window1 . activate (); 
 Selenium v4.15 
    const  window1  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  id , 
     })  Reload a browsing context 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.13.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   WindowType . TAB ); 
 
          browsingContext . navigate ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ,   ReadinessState . COMPLETE ); 
 
          NavigationResult   reloadInfo   =   browsingContext . reload ( ReadinessState . INTERACTIVE ); Selenium v4.15 
    await  browsingContext . reload ( undefined ,  'complete' )  Handle user prompt 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.13.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
          driver . get ( "https://www.selenium.dev/selenium/web/alerts.html" ); 
 
          driver . findElement ( By . id ( "prompt-with-default" )). click (); 
 
          String   userText   =   "Selenium automates browsers" ; 
          browsingContext . handleUserPrompt ( true ,   userText ); 
 Selenium v4.15 
    await  browsingContext . handleUserPrompt ( true ,  userText )  Capture Screenshot 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.13.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
          driver . get ( "https://www.selenium.dev/selenium/web/alerts.html" ); 
 
          String   screenshot   =   browsingContext . captureScreenshot (); Selenium v4.15 
    const  response  =  await  browsingContext . captureScreenshot ()  Capture Viewport Screenshot 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.14.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
          driver . get ( "https://www.selenium.dev/selenium/web/coordinates_tests/simple_page.html" ); 
 
          WebElement   element   =   driver . findElement ( By . id ( "box" )); 
          Rectangle   elementRectangle   =   element . getRect (); 
 
          String   screenshot   = 
                  browsingContext . captureBoxScreenshot ( 
                          elementRectangle . getX (),   elementRectangle . getY (),   5 ,   5 ); Selenium v4.15 
    const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  id , 
     }) 
 
     const  response  =  await  browsingContext . captureBoxScreenshot ( 5 ,  5 ,  10 ,  10 )  Capture Element Screenshot 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.14.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
          driver . get ( "https://www.selenium.dev/selenium/web/formPage.html" ); 
          WebElement   element   =   driver . findElement ( By . id ( "checky" )); 
 
          String   screenshot   =   browsingContext . captureElementScreenshot ((( RemoteWebElement )   element ). getId ()); Selenium v4.15 
    const  response  =  await  browsingContext . captureElementScreenshot ( elementId )  Set Viewport 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.14.1 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
          driver . get ( "https://www.selenium.dev/selenium/web/formPage.html" ); 
 
          browsingContext . setViewport ( 250 ,   300 ,   5 ); Selenium v4.15 
    await  browsingContext . setViewport ( 250 ,  300 )  Print page 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.14.1 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
          driver . get ( "https://www.selenium.dev/selenium/web/formPage.html" ); 
          PrintOptions   printOptions   =   new   PrintOptions (); 
 
          String   printPage   =   browsingContext . print ( printOptions ); Selenium v4.10 
    const  result  =  await  browsingContext . printPage ({ 
       orientation :  'landscape' , 
       scale :  1 , 
       background :  true , 
       width :  30 , 
       height :  30 , 
       top :  1 , 
       bottom :  1 , 
       left :  1 , 
       right :  1 , 
       shrinkToFit :  true , 
       pageRanges :  [ '1-2' ], 
     })  Navigate back 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.16.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
          browsingContext . navigate ( "https://www.selenium.dev/selenium/web/formPage.html" ,   ReadinessState . COMPLETE ); 
 
          wait . until ( visibilityOfElementLocated ( By . id ( "imageButton" ))). submit (); 
          wait . until ( titleIs ( "We Arrive Here" )); 
 
          browsingContext . back (); Selenium v4.17 
    await  browsingContext . back ()  Navigate forward 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.16.0 
     void   canNavigateForwardInTheBrowserHistory ()   { 
          BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
          browsingContext . navigate ( "https://www.selenium.dev/selenium/web/formPage.html" ,   ReadinessState . COMPLETE ); 
 
          wait . until ( visibilityOfElementLocated ( By . id ( "imageButton" ))). submit (); 
          wait . until ( titleIs ( "We Arrive Here" )); 
 
          browsingContext . back (); 
          Assertions . assertTrue ( driver . getPageSource (). contains ( "We Leave From Here" )); 
 
          browsingContext . forward (); Selenium v4.17 
    await  browsingContext . forward ()  Traverse history 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.16.0 
         BrowsingContext   browsingContext   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
          browsingContext . navigate ( "https://www.selenium.dev/selenium/web/formPage.html" ,   ReadinessState . COMPLETE ); 
 
          wait . until ( visibilityOfElementLocated ( By . id ( "imageButton" ))). submit (); 
          wait . until ( titleIs ( "We Arrive Here" )); 
 
          browsingContext . traverseHistory ( - 1 ); Selenium v4.17 
    await  browsingContext . traverseHistory ( - 1 )  Events This section contains the APIs related to browsing context events.
Browsing Context Created Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.10 
     try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
          CompletableFuture < BrowsingContextInfo >   future   =   new   CompletableFuture <> (); 
 
          inspector . onBrowsingContextCreated ( future :: complete ); 
 
          String   windowHandle   =   driver . switchTo (). newWindow ( WindowType . WINDOW ). getWindowHandle (); 
 
          BrowsingContextInfo   browsingContextInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); Selenium v4.9.2 
    const  browsingContextInspector  =  await  BrowsingContextInspector ( driver ) 
     await  browsingContextInspector . onBrowsingContextCreated (( entry )  =>  { 
       contextInfo  =  entry 
     }) 
 
     await  driver . switchTo (). newWindow ( 'window' )  Dom Content loaded Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.10 
             String   windowHandle   =   driver . switchTo (). newWindow ( WindowType . TAB ). getWindowHandle (); 
 
              BrowsingContextInfo   browsingContextInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
 
              Assertions . assertEquals ( windowHandle ,   browsingContextInfo . getId ()); 
          } 
      } 
 
      @Test 
      void   canListenToDomContentLoadedEvent () Selenium v4.9.2 
    const  browsingContextInspector  =  await  BrowsingContextInspector ( driver ) 
     let  navigationInfo  =  null 
     await  browsingContextInspector . onDomContentLoaded (( entry )  =>  { 
       navigationInfo  =  entry 
     }) 
 
     const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  await  driver . getWindowHandle (), 
     }) 
     await  browsingContext . navigate ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' ,  'complete' )  Browsing Context Loaded Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.10 
         try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
              CompletableFuture < NavigationInfo >   future   =   new   CompletableFuture <> (); 
              inspector . onBrowsingContextLoaded ( future :: complete ); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
              context . navigate ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ,   ReadinessState . COMPLETE ); 
 
              NavigationInfo   navigationInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); Selenium v4.9.2 
    const  browsingContextInspector  =  await  BrowsingContextInspector ( driver ) 
 
     await  browsingContextInspector . onBrowsingContextLoaded (( entry )  =>  { 
       navigationInfo  =  entry 
     }) 
     const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  await  driver . getWindowHandle (), 
     }) 
     await  browsingContext . navigate ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' ,  'complete' )  Navigated Started Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
              CompletableFuture < NavigationInfo >   future   =   new   CompletableFuture <> (); 
              inspector . onNavigationStarted ( future :: complete ); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
              context . navigate ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ,   ReadinessState . COMPLETE ); 
 
              NavigationInfo   navigationInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); Fragment Navigated Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
              CompletableFuture < NavigationInfo >   future   =   new   CompletableFuture <> (); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
              context . navigate ( "https://www.selenium.dev/selenium/web/linked_image.html" ,   ReadinessState . COMPLETE ); 
 
              inspector . onFragmentNavigated ( future :: complete ); 
 
              context . navigate ( "https://www.selenium.dev/selenium/web/linked_image.html#linkToAnchorOnThisPage" ,   ReadinessState . COMPLETE ); 
 
              NavigationInfo   navigationInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); Selenium v4.15.0 
    const  browsingContextInspector  =  await  BrowsingContextInspector ( driver ) 
 
     const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  await  driver . getWindowHandle (), 
     }) 
     await  browsingContext . navigate ( 'https://www.selenium.dev/selenium/web/linked_image.html' ,  'complete' ) 
 
     await  browsingContextInspector . onFragmentNavigated (( entry )  =>  { 
       navigationInfo  =  entry 
     }) 
 
     await  browsingContext . navigate ( 'https://www.selenium.dev/selenium/web/linked_image.html#linkToAnchorOnThisPage' ,  'complete' )  User Prompt Opened Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
              CompletableFuture < NavigationInfo >   future   =   new   CompletableFuture <> (); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
              context . navigate ( "https://www.selenium.dev/selenium/web/linked_image.html" ,   ReadinessState . COMPLETE ); 
 
              inspector . onFragmentNavigated ( future :: complete ); 
 
              context . navigate ( "https://www.selenium.dev/selenium/web/linked_image.html#linkToAnchorOnThisPage" ,   ReadinessState . COMPLETE ); 
 
              NavigationInfo   navigationInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); User Prompt Closed Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
              CompletableFuture < UserPromptClosed >   future   =   new   CompletableFuture <> (); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
              inspector . onUserPromptClosed ( future :: complete ); 
 
              driver . get ( "https://www.selenium.dev/selenium/web/alerts.html" ); 
 
              driver . findElement ( By . id ( "prompt" )). click (); 
 
              context . handleUserPrompt ( true ,   "selenium" ); 
 
              UserPromptClosed   userPromptClosed   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
              Assertions . assertEquals ( context . getId (),   userPromptClosed . getBrowsingContextId ()); Browsing Context Destroyed Event 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( BrowsingContextInspector   inspector   =   new   BrowsingContextInspector ( driver ))   { 
              CompletableFuture < BrowsingContextInfo >   future   =   new   CompletableFuture <> (); 
 
              inspector . onBrowsingContextDestroyed ( future :: complete ); 
 
              String   windowHandle   =   driver . switchTo (). newWindow ( WindowType . WINDOW ). getWindowHandle (); 
 
              driver . close (); 
 
              BrowsingContextInfo   browsingContextInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
 
              Assertions . assertEquals ( windowHandle ,   browsingContextInfo . getId ()); Selenium v4.18.0 
    const  browsingContextInspector  =  await  BrowsingContextInspector ( driver ) 
     await  browsingContextInspector . onBrowsingContextDestroyed (( entry )  =>  { 
       contextInfo  =  entry 
     }) 
 
     await  driver . switchTo (). newWindow ( 'window' ) 
 
     const  windowHandle  =  await  driver . getWindowHandle () 
     await  driver . close ()  5.2 - Input This section contains the APIs related to input commands.
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.17 
         Actions   selectThreeOptions   = 
                  actions . click ( options . get ( 1 )). keyDown ( Keys . SHIFT ). click ( options . get ( 3 )). keyUp ( Keys . SHIFT ); 
 
          input . perform ( windowHandle ,   selectThreeOptions . getSequences ()); Selenium v4.17 
    const  actions  =  driver . actions (). click ( options [ 1 ]). keyDown ( Key . SHIFT ). click ( options [ 3 ]). keyUp ( Key . SHIFT ). getSequences () 
 
     await  input . perform ( browsingContextId ,  actions )  Release Actions 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.17 
         Actions   sendLowercase   = 
                  new   Actions ( driver ). keyDown ( inputTextBox ,   "a" ). keyDown ( inputTextBox ,   "b" ); 
 
          input . perform ( windowHandle ,   sendLowercase . getSequences ()); 
          (( JavascriptExecutor )   driver ). executeScript ( "resetEvents()" ); 
 
          input . release ( windowHandle ); Selenium v4.17 
    await  input . release ( browsingContextId )  5.3 - Log This section contains the APIs related to logging.
Console logs Listen to the console.log events and register callbacks to process the event.
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.8 
             CompletableFuture < ConsoleLogEntry >   future   =   new   CompletableFuture <> (); 
              logInspector . onConsoleEntry ( future :: complete ); 
 
              driver . get ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
              driver . findElement ( By . id ( "consoleLog" )). click (); 
 
              ConsoleLogEntry   logEntry   =   future . get ( 5 ,   TimeUnit . SECONDS );     const  inspector  =  await  LogInspector ( driver ) 
     await  inspector . onConsoleEntry ( function  ( log )  { 
       logEntry  =  log 
     }) 
 
     await  driver . get ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' ) 
     await  driver . findElement ({ id :  'consoleLog' }). click () 
 
     assert . equal ( logEntry . text ,  'Hello, world!' ) 
     assert . equal ( logEntry . realm ,  null ) 
     assert . equal ( logEntry . type ,  'console' ) 
     assert . equal ( logEntry . level ,  'info' ) 
     assert . equal ( logEntry . method ,  'log' ) 
     assert . equal ( logEntry . stackTrace ,  null ) 
     assert . equal ( logEntry . args . length ,  1 )  JavaScript exceptions Listen to the JS Exceptions
and register callbacks to process the exception details.
Java 
Ruby 
JavaScript 
Kotlin              logInspector . onJavaScriptException ( future :: complete ); 
 
              driver . get ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
              driver . findElement ( By . id ( "jsException" )). click (); 
 
              JavascriptLogEntry   logEntry   =   future . get ( 5 ,   TimeUnit . SECONDS );     const  inspector  =  await  LogInspector ( driver ) 
     await  inspector . onJavascriptException ( function  ( log )  { 
       logEntry  =  log 
     }) 
 
     await  driver . get ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' ) 
     await  driver . findElement ({ id :  'jsException' }). click () 
 
     assert . equal ( logEntry . text ,  'Error: Not working' ) 
     assert . equal ( logEntry . type ,  'javascript' ) 
     assert . equal ( logEntry . level ,  'error' )  Listen to JS Logs Listen to all JS logs at all levels and register callbacks to process the log.
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.8 
             logInspector . onJavaScriptLog ( future :: complete ); 
 
              driver . get ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
              driver . findElement ( By . id ( "jsException" )). click (); 
 
              JavascriptLogEntry   logEntry   =   future . get ( 5 ,   TimeUnit . SECONDS ); 5.4 - Network Commands This section contains the APIs related to network commands.
Add network intercept 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( Network   network   =   new   Network ( driver ))   { 
              String   intercept   = 
                      network . addIntercept ( new   AddInterceptParameters ( InterceptPhase . BEFORE_REQUEST_SENT )); Selenium v4.18 
    const  intercept  =  await  network . addIntercept ( new  AddInterceptParameters ( InterceptPhase . BEFORE_REQUEST_SENT ))  Remove network intercept 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( Network   network   =   new   Network ( driver ))   { 
              String   intercept   = 
                      network . addIntercept ( new   AddInterceptParameters ( InterceptPhase . BEFORE_REQUEST_SENT )); 
              Assertions . assertNotNull ( intercept ); 
              network . removeIntercept ( intercept ); Selenium v4.18 
    const  network  =  await  Network ( driver ) 
     const  intercept  =  await  network . addIntercept ( new  AddInterceptParameters ( InterceptPhase . BEFORE_REQUEST_SENT ))  Continue request blocked at authRequired phase with credentials 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( Network   network   =   new   Network ( driver ))   { 
              network . addIntercept ( new   AddInterceptParameters ( InterceptPhase . AUTH_REQUIRED )); 
              network . onAuthRequired ( 
                      responseDetails   -> 
                              network . continueWithAuth ( 
                                      responseDetails . getRequest (). getRequestId (), 
                                      new   UsernameAndPassword ( "admin" ,   "admin" ))); 
              driver . get ( "https://the-internet.herokuapp.com/basic_auth" ); Selenium v4.18 
    await  network . addIntercept ( new  AddInterceptParameters ( InterceptPhase . AUTH_REQUIRED )) 
 
     await  network . authRequired ( async  ( event )  =>  { 
       await  network . continueWithAuth ( event . request . request ,  'admin' , 'admin' ) 
     })  Continue request blocked at authRequired phase without credentials 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( Network   network   =   new   Network ( driver ))   { 
              network . addIntercept ( new   AddInterceptParameters ( InterceptPhase . AUTH_REQUIRED )); 
              network . onAuthRequired ( 
                      responseDetails   -> 
                              // Does not handle the alert 
                              network . continueWithAuthNoCredentials ( responseDetails . getRequest (). getRequestId ())); 
              driver . get ( "https://the-internet.herokuapp.com/basic_auth" ); Selenium v4.18 
    await  network . addIntercept ( new  AddInterceptParameters ( InterceptPhase . AUTH_REQUIRED )) 
 
     await  network . authRequired ( async  ( event )  =>  { 
       await  network . continueWithAuthNoCredentials ( event . request . request ) 
     })  Cancel request blocked at authRequired phase 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( Network   network   =   new   Network ( driver ))   { 
              network . addIntercept ( new   AddInterceptParameters ( InterceptPhase . AUTH_REQUIRED )); 
              network . onAuthRequired ( 
                      responseDetails   -> 
                              // Does not handle the alert 
                              network . cancelAuth ( responseDetails . getRequest (). getRequestId ())); 
              driver . get ( "https://the-internet.herokuapp.com/basic_auth" ); Selenium v4.18 
    await  network . addIntercept ( new  AddInterceptParameters ( InterceptPhase . AUTH_REQUIRED )) 
 
     await  network . authRequired ( async  ( event )  =>  { 
       await  network . cancelAuth ( event . request . request ) 
     })  Fail request 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.18 
         try   ( Network   network   =   new   Network ( driver ))   { 
              network . addIntercept ( new   AddInterceptParameters ( InterceptPhase . BEFORE_REQUEST_SENT )); 
              network . onBeforeRequestSent ( 
                      responseDetails   ->   network . failRequest ( responseDetails . getRequest (). getRequestId ())); 
              driver . manage (). timeouts (). pageLoadTimeout ( Duration . of ( 5 ,   ChronoUnit . SECONDS )); Events This section contains the APIs related to network events.
Before Request Sent 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Network   network   =   new   Network ( driver ))   { 
              CompletableFuture < BeforeRequestSent >   future   =   new   CompletableFuture <> (); 
              network . onBeforeRequestSent ( future :: complete ); 
              driver . get ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
 
              BeforeRequestSent   requestSent   =   future . get ( 5 ,   TimeUnit . SECONDS ); Selenium v4.18 
    let  beforeRequestEvent  =  null 
     const  network  =  await  Network ( driver ) 
     await  network . beforeRequestSent ( function  ( event )  { 
       beforeRequestEvent  =  event 
     }) 
 
     await  driver . get ( 'https://www.selenium.dev/selenium/web/blank.html' )  Response Started 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Network   network   =   new   Network ( driver ))   { 
              CompletableFuture < ResponseDetails >   future   =   new   CompletableFuture <> (); 
              network . onResponseStarted ( future :: complete ); 
              driver . get ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
 
              ResponseDetails   response   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
              String   windowHandle   =   driver . getWindowHandle (); Selenium v4.18 
    let  onResponseStarted  =  [] 
     const  network  =  await  Network ( driver ) 
     await  network . responseStarted ( function  ( event )  { 
       onResponseStarted . push ( event ) 
     }) 
 
     await  driver . get ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' )  Response Completed 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Network   network   =   new   Network ( driver ))   { 
              CompletableFuture < ResponseDetails >   future   =   new   CompletableFuture <> (); 
              network . onResponseCompleted ( future :: complete ); 
              driver . get ( "https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html" ); 
 
              ResponseDetails   response   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
              String   windowHandle   =   driver . getWindowHandle (); Selenium v4.18 
    let  onResponseCompleted  =  [] 
     const  network  =  await  Network ( driver ) 
     await  network . responseCompleted ( function  ( event )  { 
       onResponseCompleted . push ( event ) 
     }) 
 
     await  driver . get ( 'https://www.selenium.dev/selenium/web/bidi/logEntryAdded.html' )  Auth Required 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.17 
         try   ( Network   network   =   new   Network ( driver ))   { 
              CompletableFuture < ResponseDetails >   future   =   new   CompletableFuture <> (); 
              network . onAuthRequired ( future :: complete ); 
              driver . get ( "https://the-internet.herokuapp.com/basic_auth" ); 
 
              ResponseDetails   response   =   future . get ( 5 ,   TimeUnit . SECONDS ); 5.5 - Script Commands This section contains the APIs related to script commands.
Call function in a browsing context 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( id ,   driver ))   { 
              List < LocalValue >   arguments   =   new   ArrayList <> (); 
              arguments . add ( PrimitiveProtocolValue . numberValue ( 22 )); 
 
              Map < Object ,   LocalValue >   value   =   new   HashMap <> (); 
              value . put ( "some_property" ,   LocalValue . numberValue ( 42 )); 
              LocalValue   thisParameter   =   LocalValue . objectValue ( value ); 
 
              arguments . add ( thisParameter ); 
 
              EvaluateResult   result   = 
                      script . callFunctionInBrowsingContext ( 
                              id , 
                              "function processWithPromise(argument) {\n" 
                                      +   "  return new Promise((resolve, reject) => {\n" 
                                      +   "    setTimeout(() => {\n" 
                                      +   "      resolve(argument + this.some_property);\n" 
                                      +   "    }, 1000)\n" 
                                      +   "  })\n" 
                                      +   "}" , 
                              true , 
                              Optional . of ( arguments ), 
                              Optional . of ( thisParameter ), 
                              Optional . of ( ResultOwnership . ROOT )); Selenium v4.9 
    const  manager  =  await  ScriptManager ( id ,  driver ) 
 
     let  argumentValues  =  [] 
     let  value  =  new  ArgumentValue ( LocalValue . createNumberValue ( 22 )) 
     argumentValues . push ( value ) 
 
     let  mapValue  =  { some_property :  LocalValue . createNumberValue ( 42 )} 
     let  thisParameter  =  new  ArgumentValue ( LocalValue . createObjectValue ( mapValue )). asMap () 
 
     const  result  =  await  manager . callFunctionInBrowsingContext ( 
       id , 
       'function processWithPromise(argument) {'  + 
       'return new Promise((resolve, reject) => {'  + 
       'setTimeout(() => {'  + 
       'resolve(argument + this.some_property);'  + 
       '}, 1000)'  + 
       '})'  + 
       '}' , 
       true , 
       argumentValues , 
       thisParameter , 
       ResultOwnership . ROOT )  Call function in a sandbox 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( id ,   driver ))   { 
              EvaluateResult   result   = 
                      script . callFunctionInBrowsingContext ( 
                              id , 
                              "sandbox" , 
                              "() => window.foo" , 
                              true , 
                              Optional . empty (), 
                              Optional . empty (), 
                              Optional . empty ()); Selenium v4.9 
    const  manager  =  await  ScriptManager ( id ,  driver ) 
 
     await  manager . callFunctionInBrowsingContext ( id ,  '() => { window.foo = 2; }' ,  true ,  null ,  null ,  null ,  'sandbox' )  Call function in a realm 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( tab ,   driver ))   { 
              List < RealmInfo >   realms   =   script . getAllRealms (); 
              String   realmId   =   realms . get ( 0 ). getRealmId (); 
 
              EvaluateResult   result   =   script . callFunctionInRealm ( 
                      realmId , 
                      "() => { window.foo = 3; }" , 
                      true , 
                      Optional . empty (), 
                      Optional . empty (), 
                      Optional . empty ()); Selenium v4.9 
    const  manager  =  await  ScriptManager ( firstTab ,  driver ) 
 
     const  realms  =  await  manager . getAllRealms () 
     const  realmId  =  realms [ 0 ]. realmId 
 
     await  manager . callFunctionInRealm ( realmId ,  '() => { window.foo = 3; }' ,  true )  Evaluate script in a browsing context 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( id ,   driver ))   { 
              EvaluateResult   result   = 
                      script . evaluateFunctionInBrowsingContext ( id ,   "1 + 2" ,   true ,   Optional . empty ()); 
 Selenium v4.9 
    const  manager  =  await  ScriptManager ( id ,  driver ) 
 
     const  result  =  await  manager . evaluateFunctionInBrowsingContext ( id ,  '1 + 2' ,  true )  Evaluate script in a sandbox 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( id ,   driver ))   { 
              EvaluateResult   result   = 
                      script . evaluateFunctionInBrowsingContext ( 
                              id ,   "sandbox" ,   "window.foo" ,   true ,   Optional . empty ()); Selenium v4.9 
    const  manager  =  await  ScriptManager ( id ,  driver ) 
 
     await  manager . evaluateFunctionInBrowsingContext ( id ,  'window.foo = 2' ,  true ,  null ,  'sandbox' ) 
 
     const  resultInSandbox  =  await  manager . evaluateFunctionInBrowsingContext ( id ,  'window.foo' ,  true ,  null ,  'sandbox' )  Evaluate script in a realm 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( tab ,   driver ))   { 
              List < RealmInfo >   realms   =   script . getAllRealms (); 
              String   realmId   =   realms . get ( 0 ). getRealmId (); 
 
              EvaluateResult   result   = 
                      script . evaluateFunctionInRealm ( 
                              realmId ,   "window.foo" ,   true ,   Optional . empty ()); Selenium v4.9 
    const  manager  =  await  ScriptManager ( firstTab ,  driver ) 
 
     const  realms  =  await  manager . getAllRealms () 
     const  realmId  =  realms [ 0 ]. realmId 
 
     await  manager . evaluateFunctionInRealm ( realmId ,  'window.foo = 3' ,  true ) 
 
     const  result  =  await  manager . evaluateFunctionInRealm ( realmId ,  'window.foo' ,  true )  Disown handles in a browsing context 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
             script . disownBrowsingContextScript ( Selenium v4.9 
    await  manager . disownBrowsingContextScript ( id ,  boxId )  Disown handles in a realm 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
             script . disownRealmScript ( realmId ,   List . of ( boxId )); Selenium v4.9 
    await  manager . disownRealmScript ( realmId ,  boxId )  Get all realms 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( firstWindow ,   driver ))   { 
              List < RealmInfo >   realms   =   script . getAllRealms (); Selenium v4.9 
    const  manager  =  await  ScriptManager ( firstWindow ,  driver ) 
 
     const  realms  =  await  manager . getAllRealms ()  Get realm by type 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( firstWindow ,   driver ))   { 
              List < RealmInfo >   realms   =   script . getRealmsByType ( RealmType . WINDOW ); Selenium v4.9 
    const  manager  =  await  ScriptManager ( firstWindow ,  driver ) 
 
     const  realms  =  await  manager . getRealmsByType ( RealmType . WINDOW )  Get browsing context realms 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
         try   ( Script   script   =   new   Script ( windowId ,   driver ))   { 
              List < RealmInfo >   realms   =   script . getRealmsInBrowsingContext ( tabId ); Selenium v4.9 
    const  manager  =  await  ScriptManager ( windowId ,  driver ) 
 
     const  realms  =  await  manager . getRealmsInBrowsingContext ( tabId )  Get browsing context realms by type 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
             List < RealmInfo >   windowRealms   = 
                      script . getRealmsInBrowsingContextByType ( windowId ,   RealmType . WINDOW ); Selenium v4.9 
    const  realms  =  await  manager . getRealmsInBrowsingContextByType ( windowId ,  RealmType . WINDOW )  Preload a script 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
             String   id   =   script . addPreloadScript ( "() => { window.bar=2; }" ,   "sandbox" ); Selenium v4.10 
    const  manager  =  await  ScriptManager ( id ,  driver ) 
 
     const  scriptId  =  await  manager . addPreloadScript ( '() => {{ console.log(\'{preload_script_console_text}\') }}' )  Remove a preloaded script 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.15 
                 script . removePreloadScript ( id ); Selenium v4.10 
    await  manager . removePreloadScript ( scriptId )  Events This section contains the APIs related to script events.
Message 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.16 
         try   ( Script   script   =   new   Script ( driver ))   { 
              CompletableFuture < Message >   future   =   new   CompletableFuture <> (); 
              script . onMessage ( future :: complete ); 
 
              script . callFunctionInBrowsingContext ( 
                      driver . getWindowHandle (), 
                      "(channel) => channel('foo')" , 
                      false , 
                      Optional . of ( List . of ( LocalValue . channelValue ( "channel_name" ))), 
                      Optional . empty (), 
                      Optional . empty ()); 
 
              Message   message   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
              Assertions . assertEquals ( "channel_name" ,   message . getChannel ()); 
          } Selenium v4.18 
    const  manager  =  await  ScriptManager ( undefined ,  driver ) 
 
     let  message  =  null 
 
     await  manager . onMessage (( m )  =>  { 
       message  =  m 
     }) 
 
     let  argumentValues  =  [] 
     let  value  =  new  ArgumentValue ( LocalValue . createChannelValue ( new  ChannelValue ( 'channel_name' ))) 
     argumentValues . push ( value ) 
 
     const  result  =  await  manager . callFunctionInBrowsingContext ( 
       await  driver . getWindowHandle (), 
       '(channel) => channel("foo")' , 
       false , 
       argumentValues , 
     )  Realm Created 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.16 
         try   ( Script   script   =   new   Script ( driver ))   { 
              CompletableFuture < RealmInfo >   future   =   new   CompletableFuture <> (); 
              script . onRealmCreated ( future :: complete ); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
              context . navigate ( "https://www.selenium.dev/selenium/blankPage" ); 
              RealmInfo   realmInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
              Assertions . assertNotNull ( realmInfo . getRealmId ()); 
              Assertions . assertEquals ( RealmType . WINDOW ,   realmInfo . getRealmType ()); 
          } Selenium v4.18 
    const  manager  =  await  ScriptManager ( undefined ,  driver ) 
 
     let  realmInfo  =  null 
 
     await  manager . onRealmCreated (( result )  =>  { 
       realmInfo  =  result 
     }) 
 
     const  id  =  await  driver . getWindowHandle () 
     const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  id , 
     }) 
 
     await  browsingContext . navigate ( 'https://www.selenium.dev/selenium/web/blank' ,  'complete' )  Realm Destroyed 
Java 
Ruby 
JavaScript 
Kotlin Selenium v4.16 
         try   ( Script   script   =   new   Script ( driver ))   { 
              CompletableFuture < RealmInfo >   future   =   new   CompletableFuture <> (); 
              script . onRealmDestroyed ( future :: complete ); 
 
              BrowsingContext   context   =   new   BrowsingContext ( driver ,   driver . getWindowHandle ()); 
 
              context . close (); 
              RealmInfo   realmInfo   =   future . get ( 5 ,   TimeUnit . SECONDS ); 
              Assertions . assertNotNull ( realmInfo . getRealmId ()); 
              Assertions . assertEquals ( RealmType . WINDOW ,   realmInfo . getRealmType ()); 
          } Selenium v4.19 
    const  manager  =  await  ScriptManager ( undefined ,  driver ) 
 
     let  realmInfo  =  null 
 
     await  manager . onRealmDestroyed (( result )  =>  { 
       realmInfo  =  result 
     }) 
 
     const  id  =  await  driver . getWindowHandle () 
     const  browsingContext  =  await  BrowsingContext ( driver ,  { 
       browsingContextId :  id , 
     }) 
 
     await  browsingContext . close ()