PaymentMeta constructor
      
      PaymentMeta({})
     
    
    
Implementation
PaymentMeta({
  required this.referenceNumber,
  required this.ppdId,
  required this.payee,
  required this.byOrderOf,
  required this.payer,
  required this.paymentMethod,
  required this.paymentProcessor,
  required this.reason,
});