How to add a component to the editor?

Question

Unity

I ran into a problem with displaying layers, for example, for some reason the background always overlaps prefabs, on 3d prefabs the text is always below, and then I came across an article that describes how to add a SortingLayer component to any element
https://gist.github.com/nickgravelyn/7460288
I added it as everything was described, created these 2 scripts and placed them in the Editor folder, but I can’t add it to the object, I can’t see it, tell me why it’s not visible?

Answer 1

You only need to add SortingLayerExposed. The custom editor should pull itself up.
And it is better to remove SortingLayerExposed from the Editor folder, this is a normal component.