ActionScript: How to make a text appear on a textbox on the click of a button?

Let's say I have a button with the label ';Go away.'; When I press that button, the text ';Go away'; should then appear on a dynamic textbox (let's say it has an instance name of ';sTextbox';). How do I do this?ActionScript: How to make a text appear on a textbox on the click of a button?
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