You can add Event Roles to an Event Category
When you add Event Roles to an Event Category you must make the Event Role available to
Event Guests (i.e. contacts)
and/or Event Staff (i.e. Event Managers and Event Workers).
Steps
Requirements
Your organisation must have created at least one Event Role
Select My Apps in the top menu
Select Event Categories
You arrive on the Manage Event Categories page
Press the Edit button next to the Event Category that you want to add the Event Roles to
You arrive on the Edit Event Category page
Scroll down to Section 4: Event Attendance
Tick the Enable event roles tick box
Once ticked, a box will appear which lists the Event Roles that exist within your organisation
Use the tick boxes to decide whether each Event Role is available to the Guests and/or Event Workers & Managers of the events created with this Event Category.
(You can make an Event Role available to both the Guests and the Event Workers & Event Managers)
Press Save
Now all the events within that event category will have the Time Spent button on the Event page