Label IB-outlet function

Hi everyone. I want to add a label to the view controller by pressing ctrl and dragging it into the code but it doesnt let me. With a button, this works perfectly but with a label it won't work. Any ideas why? Or how I can do it in another way? Thanks

I understood my mistake, i was working on launch storyboard not main.storyboard.

Label IB-outlet function
 
 
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