customerServicePendingPhoneRegionCode property
Two letter country code for the pending phone number, for example CA
for
Canadian numbers.
See the [ISO 3166-1 alpha-2](https://wikipedia.org/wiki/ISO_3166-1_alpha-2#Officially_assigned_code_elements) officially assigned codes. In order to update this field the customer_service_pending_phone_number must also be set. After verification this field becomes empty.
Implementation
core.String? customerServicePendingPhoneRegionCode;