How to add Custom Fields under the Display Name for Meeting Preferences

OBJECTIVE: Add multiple custom fields under the Display Name for Meeting Preferences

ENVIRONMENT:

STEPS TO ACHIEVE THE OBJECTIVE:

Login to connect account.
Go to Admin> Users and Groups> Customize User Profile> Add Predefined fields> Click Save> Mark them as required.
Launch the meeting room> Go to Preferences> Display Name> Custom Select Fields.
Click on Add Row > Select the Field> Select Punctuation Mark> Click Done.