code: def Page_addScriptToEvaluateOnNewDocument(self, source):
  		
  		assert isinstance(source, (str,)
  		    ), "Argument 'source' must be of type '['str']'. Received type: '%s'" % type(
  		    source)
  		subdom_funcs = self.synchronous_command(
  		    'Page.addScriptToEvaluateOnNewDocument', source=source)
  		return subdom_funcs
docs: Function path: Page.addScriptToEvaluateOnNewDocument
  			Domain: Page
  			Method name: addScriptToEvaluateOnNewDocument
  		
  			WARNING: This function is marked 'Experimental'!
  		
  			Parameters:
  				Required arguments:
  					'source' (type: string) -> No description
  			Returns:
  				'identifier' (type: ScriptIdentifier) -> Identifier of the added script.
  		
  			Description: Evaluates given script in every frame upon creation (before loading frame's scripts).