This script adds a function on the editor that creates a class of the selected gameobject of the scene with all the references to the ui elements in it.

A gameobject called "MenuMonster" has the next hierarchy

MenuMonster

-Canvas

--Foreground(Image)

--Background(Image)

--Hitpoints(Text)

--Mana(Text)

Selecting MenuMonster and using the script would create a class called MenuMonster that has the next variables:

Image foregroundImage;

Image backgroundImage;

Text hitpointsText;

Text manaText;

Put this on the Editor Folder

Select the parent gameobject that contains the UI Elements.

Go to Assets->Create C# Child References

This seems to be useful for other things other than UI child elements.