The ActivityGetURL action is a System Action that obtains the URL of the web screen that is set as the Destination in a Human Activity instance. Normally this System action is used to get the URL of a Human Activity Destination web screen so that, at some point of your application, you can navigate back to that web screen.
To navigate to a Web Screen, use the HandlingURL output parameter together with the External Site tool in your action flow.
ActivityId: Id of the activity instance.
Activity Identifier Type. Mandatory.
HandlingURL: the URL of the web screen that is set as the Destination in the activity instance.
All existing arguments in the URL are resolved so that the returned URL has the correct argument values.
About Processes | Overview of System Actions and Functions