Controlling texture with Empty - how?

I saw a video where moving/scaling an empty across from a textured face of a mesh would move/scale texture on it.

Does anyone know what I am talking about? I don’t recall where I saw the vid and I don’t remember how it was achieved.

Never mind, I found it :slight_smile:

Link to exact moment: https://www.youtube.com/watch?v=AzeQRxxq3DU&feature=youtu.be&t=12m42s

UvProject modifier.