Execute CDP Command

Command description

Execute a Chrome DevTools Protocol (CDP) method on the specified webpage through chrome.debugger.sendCommand. Only the methods supported by that API are available.

Command Input Parameters

input parameters	Input parameter type	Description
Webpage Object	WebPage	Execute CDP command on this web page
Command	str	CDP command name, such as Page.printToPDF, Input.dispatchMouseEvent, etc.
Arguments	PythonExpression	CDP parameters are automatically serialized to JSON and then deserialized into JavaScript objects.
Maximum Execution Time	number	Maximum time allowed for the CDP command, in seconds

Command Output Parameters

Output parameters	Output parameter type	Description
Execution Result	any	The return value of the CDP command will be automatically serialized and deserialized.

JSON workflow parameter value rules

• Command is a string literal. In a generated JSON workflow, write it as a Python string expression, such as "Command": "'Page.navigate'".
• Arguments are Python expressions, which will be automatically serialized into JSON and passed to CDP. When you need to pass an object literal, write it as a Python mapping expression string, for example "Arguments": "{'url': 'https://example.com'}"; when there are no parameters, write "Arguments": "None".
• Maximum Execution Time is a number or numeric expression, for example "Maximum Execution Time": "10".

Supported commands

• Runtime.evaluate

• Runtime.callFunctionOn

• Runtime.getProperties

• Runtime.enable

• Page.enable

• Page.navigate

• Page.reload

• Page.captureScreenshot

• Page.printToPDF

• DOM.enable

• DOM.getDocument

• DOM.querySelector

• DOM.getBoxModel

• DOM.resolveNode

• Input.dispatchMouseEvent

• Input.dispatchKeyEvent

• Input.insertText

• Network.enable

• Network.getResponseBody

• Network.setExtraHTTPHeaders

• Network.clearBrowserCache

• Fetch.enable

• Fetch.continueRequest

• Fetch.fulfillRequest

• Fetch.failRequest

• Emulation.setDeviceMetricsOverride

• Emulation.setUserAgentOverride

• Emulation.setGeolocationOverride

• Target.getTargets

• Target.setAutoAttach

• Target.attachToTarget

• Target.detachFromTarget

• Debugger.enable

• Debugger.setBreakpointByUrl

• Debugger.resume

• Debugger.pause

• CSS.enable

• CSS.getMatchedStylesForNode

• CSS.setStyleTexts

• Storage.clearDataForOrigin

• Storage.getStorageKeyForFrame

• Performance.enable

• Performance.getMetrics

• Tracing.start

• Tracing.end

Type definition reference

• Python Webpage Object Type Definitions

tip

• Runavelo browser extension 3.1.0 or later
• Runavelo 8.9.0 or later

FAQ

See Web Automation FAQ