toJson method

@override Map<String, dynamic> toJson([ dynamic extra ])

Implementation

@override
Map<String, dynamic> toJson([dynamic extra]) {
  return {
    "@type": CONSTRUCTOR,
    "id": id,
    "sender_user_id": senderUserId,
    "invoice_payload": invoicePayload,
    "shipping_address": shippingAddress.toJson(),
  };
}