How to fill some object?

Question

Unity

The question was removed completely due to some reasons

Answer 1

Make an inspector for your class with an "update paths" button, I don't recommend making a special menu. Here are links on the topic:
https://docs.unity3d.com/ScriptReference/Editor.html
https://docs.unity3d.com/ScriptReference/Editor.On...
https://docs.unity3d.com/ScriptReference /GUILayout...
https://docs.unity3d.com/ScriptReference/AssetData...