toJson method Null safety

Map<String, dynamic> toJson()

Implementation

Map<String, dynamic> toJson() {
  final Map<String, dynamic> data = new Map<String, dynamic>();
  data["event"] = this.event;
  data["code"] = this.code;
  data["reason"] = this.reason;
  data["reason_header_protocol"] = this.reasonHeaderProtocol;
  data["reason_header_cause"] = this.reasonHeaderCause;
  return data;
}