toJson method
Implementation
Map toJson() {
return {
'id': id,
'from': from,
'invoice_payload': invoicePayload,
'shipping_address': shippingAddress,
}..removeWhere((_, v) => v == null);
}
Map toJson() {
return {
'id': id,
'from': from,
'invoice_payload': invoicePayload,
'shipping_address': shippingAddress,
}..removeWhere((_, v) => v == null);
}