getProperty('_root.mc3', _X)
123
getProperty('mc3', _X)
undefined
getProperty('clip3', _X)
undefined

setProperty('_root.mc3', _Y, 789)
789
789
setProperty('mc3', _Y, 123)
123
undefined
setProperty('clip3', _Y, 456)
456
undefined

Target not found: Target="/mc2" Base="_level0"
// tellTarget(mc1) { mc2.removeMovieClip() }

getProperty('_root.mc3', _X)
123
getProperty('mc3', _X)
123
getProperty('clip3', _X)
undefined

setProperty('_root.mc3', _Y, 789)
789
789
setProperty('mc3', _Y, 123)
123
123
setProperty('clip3', _Y, 456)
456
undefined

