To activate push notifications on our Android smartphone or tablet we have to go into the system settings. To do this, you have to click on the icon of the device's gear wheel.

Once inside you will see the different configuration options.

Now you will click on Applications and notifications, and you will look for the Check-in Scan application among all the applications.

Once inside the options of your Check-in Scan application, you need to click on Notifications.

And you will activate all the options and will not miss any notification.