Click Create New button.  The following dialogue will appear: 

Begin typing the email of the user to be added. Select the correct user, then decide if the user should be a Gimmal Drop Zone Admin or not
Click Add to add the user to Gimmal Drop Zones 

To add a user to Gimmal Drop Zones that user must first have access to the Gimmal Cloud tenant hosting Gimmal Drop Zones.
  1. Navigate to<tenant name goes here>
  2. Select "Invite User"
  3. Enter the user's email address and select the appropriate tenant to provide access - see image below.  
  4. Select "Invite" to send the invitation.