acquirerMerchantID property
Required for authentication-only integration. The merchantId that is enrolled for 3D Secure 2 by the merchant's acquirer. This string should match the value that you will use in the authorisation. Use 123456 on the Test platform.
Implementation
@BuiltValueField(wireName: r'acquirerMerchantID')
String? get acquirerMerchantID;