@Systems Engineer
Steps followed to enroll wireless Apple TV
Connect the Apple TV to the same Wi-Fi as the mac device (with Apple Configurator).
Settings > Remotes and Devices > Remote app and devices
In Apple Configurator:
From the Apple Configurator menu, choose Paired Devices
Select the Apple TV in the Paired Devices list > click Pair
Enter the 6 digit code shown in the TV
Right click the device > Apply > Name of the prepared blueprint
A prompt to erase the Apple TV will be shown in the device > Click Erase