toJson method
Converts an object to JSON.
Implementation
@override
Map<String, dynamic> toJson() {
final returnValue = <String, dynamic>{
"\$": "0x10b78d29",
"flags": flags,
"text": text,
"fwdText": fwdText,
"url": url,
"buttonId": buttonId,
};
// Finished toJson.
return returnValue;
}