It's very simple <img src="smileys/smiley2.gif" border="0" align="middle" />
<img src="http://world-inventors.com/screen2.png" border="0" />
This is a pointless example, because it's the same as:
On Touch Object : MyObject => MyObject : Set Width
But it should give you a point of view how to work with UIDs and function parameters.