Adding an Event Category to a project means that when a user creates an event within that project, the user creating the event will be prompted to select whether the event creation form that is used is the one associated with the Event Category that you have added to that project

Steps

1. Go to the Project Preferences page of the project that you want to add the Event Category to

   Open

   

2. In the Event Categories assigned to this project field, add the names of the Event Categories that you want to be available when people are creating events on this project

3. Press Save