globalSignOut method
This is used to globally revoke all tokens issued to a user
Implementation
Future<void> globalSignOut() async {
if (_signInUserSession == null || !_signInUserSession!.isValid()) {
throw Exception('User is not authenticated');
}
final paramsReq = {
'AccessToken': _signInUserSession!.getAccessToken().getJwtToken(),
};
await client!.request('GlobalSignOut', paramsReq);
await clearCachedTokens();
}