1. Open ArcGIS® Field Maps. 

2. In ArcGIS® Field Maps, select the map you want to open in Z-Focus.  

3. Click on the object you want to open. 

4. Click Open Map in Z-Focus.

5. When you see window saying "Deep link detected" click OK. 

6. Click on the ground to place the map. 

7. That's it! Your map is successfully loaded.