You have the syntax correct. The first thing I would check is to make sure the Owner of the document is setup for Electronic Workflow. You don't need to worry about this if you send the Review Document task to a team, but in the example you gave you are creating the Verify Document task for the team.
The second thing I would try is adding a preceding pipe to the RoutingList (ie. "|T:hospERrev"). This will attempt to generate a Review Document task for the team, rather than a Verify Document task. Reading through the FileDocWorksTranscription SP, I think that you can create Verify Document tasks for a team, but try this to confirm if it works.