How do I set index " instance variable"

how to i Set selection item from list using Instance Variable from Sprite

Mouse | On Right Button Clicked on Sprite | list | ""Set item Sprite.Red"" <--- this not work

The Sprite have instance Variable Name Red / Type Text

The List :

System | On start of layout |----->

Add item "BLue" at Index "0"

Add item "yellow" at Index "1"

Add item "Red" at Index "2"

etc etc

Are you trying to change the value of the Sprite instance variable on a right mouse click?

makotto

im trying to change set selection from list using instance variable from sprite