slider bar

Hello
is there a way to create a slider bar which controlls the opacity of another element like this -

Thanks

How to make a configurable slider

Perfect thanks! How do I get another sprite to read the text box value and set the value as its opacity?
Cheers!

disregard - slid_line.value

Is there a way to make it so when I move to the next layout the value remains the same as it did on the previous layout?