Bugsnag

class CustomIntegrationListener implements IntegrationListener {
	@override
  void onSessionReady(String? dashboardSessionUrl) {
     //todo add tracking of sessions
  }

  @override
  void onVisitorReady(String? dashboardVisitorUrl) {
    bugsnag.setUser(id: dashboardVisitorUrl, email: '[email protected]', name: 'Bugs Nag');
  }
}

//Put to your init state or some place you want to register this
Smartlook.registerIntegrationListener(CustomIntegrationListener());