Creating email categories is a great way to organize your messaging, and every email MUST be placed into a category if you want it to send automatically using the trigger function.
To begin, make sure you are in the Message Management interface by selecting the “Emails” tab under the "Settings" menu located to the right of the Regpack logo.
Add an Email Category:
To create a new email category, click the "Create New Category" button located in the top right of the screen
Now, just give your email category a name and click "Create Category". Now you will be able to assign templates to this category.