Below you will learn how to integrate Release Manager with Unity

To Disable the default Unity startup settings dialog: Edit > Project Settings > Player > Resolution and Presentation > Set Display Resolution Dialog to Disabled

With your Unity project open. Find the “Open Unity Package” option in Release Manager as shown in the image below.

This will attempt to import the package into your open Unity Project.

You can now add the Release Manager Prefab to your first scene in Unity.

Next have a look at the “Unity Settings” and “Unity Game Launch” actions in the actions section of Design your own launcher