When preparing to check volunteers into your worship services there are several routes you can take. Some churches have a space specifically set aside for volunteers (like a Volunteer Central) while others prefer volunteers to check in with everyone else.
If you want your volunteers to check in with everyone else, you will need to add the Worship Service activity schedules to any Super Check-in you have already created. You could create a single Super Check-in with all activity schedules that occur during a typical worship service period (for example, children's services, student services, and worship services).
If you take the route of providing a specific location for your volunteers to use for Check-in, then you simply need the activity code.
To locate the activity code: