toJson method
Implementation
Map<String, dynamic> toJson() {
final Map<String, dynamic> data = <String, dynamic>{};
data["id"] = id;
data["label"] = label;
data["value"] = value;
data["duration"] = duration;
data["itemOrder"] = itemOrder;
data["playlistId"] = playlistId;
data["audio"] = audio;
if (contentType != null) {
data["contentType"] = contentType?.toJson();
}
return data;
}