To add extra columns to the Wedding Morning Scheduler for all members of the Team working on a wedding, first click in to the Bride's card and select the Events tab.

Create your Wedding Morning Scheduler: https://help.creativefreedom.app/en/articles/8903293-how-does-the-wedding-morning-scheduler-work-for-bridal-hair-and-makeup-artists

To add additional columns click the person icon circled below:

Add the Team Members name then press the + icon, circled below

You can edit or delete the Team Members anytime by clicking the person icon again in the first screenshot.

To add services to the relevant Team Members column simply drag and drop or click on the service to edit and choose the Assistant's name from the dropdown.