toString method

@override String toString()

Override toString method to provide a formatted string representation of AdditionalInfo.

Implementation

@override
String toString() {
  return
      'Store Id: $storeId\n'
      'Bill Number: $billNumber\n'
      'Mobile Number: $mobileNumber\n'
      'Loyalty Number: $loyaltyNumber\n'
      'Reference Label: $referenceLabel\n'
      'Customer Label: $customerLabel';
}