toJson method
Implementation
Map<String, dynamic> toJson() => {
"contactName": contactName,
"contactPhoneNumbers": contactPhoneNumbers == null
? null
: List<dynamic>.from(contactPhoneNumbers!.map((x) => x)),
"isChatAppUser": isChatAppUser == null
? null
: List<dynamic>.from(isChatAppUser!.map((x) => x)),
"messageId": messageId,
};