Assets > Import Package > Custom Package and import the Geofence.unitypackage. The package is part of the .zip file you downloaded during installation.

Initialization
Add MoEGeofenceGameObject.cs to the same object created in the Unity Initialization step and set the App Id
Android Configuration
Prerequisites for Geofence
To use geofencing, your app must request the following:- ACCESS_FINE_LOCATION
- ACCESS_BACKGROUND_LOCATION if your app targets Android 10 (API level 29) or higher