After you have keyed in the pick up location as Task A and drop off location as Task B, you may click on "Add Location". Once you click on "Add Location", you can key in the new location for this task. If you required GoGetter to return the document to you at Task A, you can key in your location again at Task C.
Please find the screen shots below for your kind reference. This feature is only available for "Dispatch" type of job.