tokenPrivilegeWillExpire property Null safety

TokenCallback? tokenPrivilegeWillExpire
read / write

Occurs when the token expires in 30 seconds.

The user becomes offline if the token used when joining the channel expires. This callback is triggered 30 seconds before the token expires to remind the app to get a new token. Upon receiving this callback, you need to generate a new token on the server and call RtcEngine.renewToken to pass the new token to the SDK.

The TokenCallback typedef includes the following parameters:

  • String token: The token that will expire in 30 seconds.


TokenCallback? tokenPrivilegeWillExpire;