appSign property
getter/setter pair
Application signature for each AppID, please apply from the ZEGO Admin Console. Application signature is a 64 character string. Each character has a range of '0' ~ '9', 'a' ~ 'z'. AppSign 2.17.0 and later allows null or no transmission. If the token is passed empty or not passed, the token must be entered in the ZegoRoomConfig parameter for authentication when the loginRoom
interface is called to login to the room.
Implementation
String? appSign;