def _get_default_running_wda_bundle_id(self):
        """Get the bundleID of the WDA that is currently running on local device.

        Returns:
            Local device's running WDA bundleID.
        """
        try:
            running_wda_list = TIDevice.ps_wda(self.udid)
            return running_wda_list[0]
        except IndexError:
            raise IndexError("Running WDA bundleID not found, please makesure WDA was started.")
Get the bundleID of the WDA that is currently running on local device.

        Returns:
            Local device's running WDA bundleID.
        
airtest/core/ios/ios.py