ApplePayMultiMerchant constructor 
    
      
  
    
        - @JsonSerializable.new(explicitToJson: true)
 const
      
ApplePayMultiMerchant(
{ - required String merchantIdentifier, 
- required String externalIdentifier, 
- required String merchantName, 
- String? merchantDomain, 
- required String amount, 
}) 
    
    
  Implementation
  @JsonSerializable(explicitToJson: true)
const factory ApplePayMultiMerchant({
  /// The apple pay merchant identifier
  required String merchantIdentifier,
  /// External identifier for the merchant
  required String externalIdentifier,
  /// The merchant display name Apple pay associates with the payment token
  required String merchantName,
  /// The merchant top level domain Apple Pay associates with teh payment token
  String? merchantDomain,
  /// Amount to authorize for the payment token
  required String amount,
}) = _ApplePayMultiMerchant;