telephoneNumber property
The shopper's telephone number. The phone number must include a plus sign (+) and a country code (1-3 digits), followed by the number (4-15 digits). If the value you provide does not follow the guidelines, we do not submit it for authentication. > Required for Visa and JCB transactions that require 3D Secure 2 authentication, if you did not include the shopperEmail.
Implementation
@BuiltValueField(wireName: r'telephoneNumber')
String? get telephoneNumber;