When you want to log out a certain user or delete an OAuth token, insert a Connector Shape and follow all the steps described in Create an Operation. If you want to delete an OAuth token, you need to set the OAuth Access Token property.
In Step 2, the setup should look like this:
The last field 'Operation' (which relates to Step 7 in the common flow) has the following options:
Standard Action Response Schema
See a separate section in PriceAnalyzer.