notifyExtension property Null safety
@JsonKey(fromJson: castPlatformMapToDartMap), final
Extension field for notification when a user joins a chat room. 2,000 characters are allowed.
- Get the value with NIMChatroomNotificationAttachment.extension when receiving messages in a chat room.
Implementation
@JsonKey(fromJson: castPlatformMapToDartMap)
final Map<String, dynamic>? notifyExtension;