First of all, the make-up artist should be created as a user on your Zoom account. This can be done by the administrator of your Zoom account.
Once this user is created on the Zoom account which is integrated with Appointedd, you will be able to see this user on the Appointedd platform.
To connect the make-up artist's Zoom user to Appointedd resource:
Go to the Connect tab and select Connect with Zoom
Click on the Zoom meetings integration button
Click on Assign zoom user to resource
From the list of the Zoom users, find the person you would like to assign
From the below resources list, tick the resource you would like to assign
Click on Assign