There are two ways to assign a user to a door. 

Assign a user to door(s) from the user detail page.

This is the easiest way to assign a single user to multiple doors.

1. Access the Users page from the menu.
2. Click the arrow button of the user you wish to assign a door to.
3. Click Assign to Door.
4. Type and search location and select the doors you'd like to assign the user to. 
5. Click Assign to User.

Assign a user to a door from the door page.

This is the easiest way to assign multiple users to a single door.

1. Access the Locations page from the menu.
2. Click the arrow button of the required location.
3. Click the arrow button of the door you want to assign the user(s) to.
4. Click the USER, CARRIERS & CLIENTS tab.
5. Click the Assign Users under Users.
6. Select the user(s) you wish to assign to the door and click Assign User.