code: def Emulation_setPageScaleFactor(self, pageScaleFactor):
  		
  		assert isinstance(pageScaleFactor, (float, int)
  		    ), "Argument 'pageScaleFactor' must be of type '['float', 'int']'. Received type: '%s'" % type(
  		    pageScaleFactor)
  		subdom_funcs = self.synchronous_command('Emulation.setPageScaleFactor',
  		    pageScaleFactor=pageScaleFactor)
  		return subdom_funcs
docs: Function path: Emulation.setPageScaleFactor
  			Domain: Emulation
  			Method name: setPageScaleFactor
  		
  			WARNING: This function is marked 'Experimental'!
  		
  			Parameters:
  				Required arguments:
  					'pageScaleFactor' (type: number) -> Page scale factor.
  			No return value.
  		
  			Description: Sets a specified page scale factor.