How to attach a group of layers as a transparency mask for another layer in Adobe Photoshop?

Question

Adobe Photoshop

So, I have, firstly, one layer and, secondly, another group of layers. And the task is to use this group as a transparency mask for the first layer. How to do it? Version "Adobe Photoshop" - 21st for 64-bit systems. The project structure should look something like this:

Некоторый слой
 |- Некоторая группа слоёв в качестве альфа-канала слоя
     |- Какие-то слои внутри группы слоёв