1) Open a template from the Templates tab.
2) Click on "Save" to verify that regular validation occurs (i.e., you will be alerted to missing fields)
3) Add in any necessary required values.
4) Click on "Save".
5) If all required fields are set, you should see a "Closure save was successful" message.
6) Exit back out to the closure list view.
7) The closure should appear as a new entry in the closures list.