You must configure ATB so that it can find the AIM Template Service and include the appropriate user name in an AIM template. The AIM Template Service is web service that can be used to store, search, and retrieve AIM template XML documents.

1. Click the Settings button ().
   The Options window appears.
   
2. Change the caGrid Userame value to the name you used when you  registered for your caGrid account. You must have a caGrid account to publish templates to the ATS. 
3. Change the ATS URL value to the server where the AIM Template Service you will use is located. If you are not hosting your own AIM Template Service instance, the URL is http://imaging.fsm.northwestern.edu.
4. Confirm or change the Default Author. The default author's name appears in the metadata of any object you create in ATB.
5. Click Save.