extension property Null safety
@JsonKey(fromJson: castPlatformMapToDartMap), final
进入聊天室后展示的扩展字段,长度限制4K
Implementation
@JsonKey(fromJson: castPlatformMapToDartMap)
final Map<String, dynamic>? extension;
进入聊天室后展示的扩展字段,长度限制4K
@JsonKey(fromJson: castPlatformMapToDartMap)
final Map<String, dynamic>? extension;