This service marks the provided phone number as the user's primary phone number, which will be used for communication with the user.
This service only allows the number's own user or an employee to mark it as the primary number.
Entity type: UserPhoneNumber
This service marks the provided phone number as the user's primary phone number, which will be used for communication with the user.
This service only allows the number's own user or an employee to mark it as the primary number.