# Events for children

**URL:** <https://forum.kirupa.com/t/events-for-children/317753>\
**Category:** Uncategorized\
**Created:** [January 1, 2011, 1:07pm UTC](https://forum.kirupa.com/t/events-for-children/317753 "2011-01-01T13:07:24Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![radi](https://avatars.discourse-cdn.com/v4/letter/r/4491bb/32.png) [@radi](https://forum.kirupa.com/u/radi)\
**Post date:** [January 1, 2011, 1:07pm UTC](https://forum.kirupa.com/t/events-for-children/317753/1 "2011-01-01T13:07:24Z")

</div>

i have a movieclip with a mouse over event, and it works, just this movieclip has a property and the mouseover sometimes is trigged by the textbox, and it doesnt have this property and its giving me a error

i cant encase my function inside of this statment  
if(event.target.PosX != undefined){}

this is my error,  
ReferenceError: Error #1069: Property PosX not found on flash.display.SimpleButton and there is no default value.  
at Untitled\_fla::MainTimeline/GridOver2()