copyWith method
Implementation
Beneficiary copyWith({ String? mobileNumber,
String? tATrxnID,
String? trxnAmount,
String? status,
}) => Beneficiary( mobileNumber: mobileNumber ?? _mobileNumber,
tATrxnID: tATrxnID ?? _tATrxnID,
trxnAmount: trxnAmount ?? _trxnAmount,
status: status ?? _status,
);