# Flex Debugger - watching an expression continuously

**URL:** <https://forum.kirupa.com/t/flex-debugger-watching-an-expression-continuously/308400>\
**Category:** flash\
**Created:** [April 22, 2010, 9:42am UTC](https://forum.kirupa.com/t/flex-debugger-watching-an-expression-continuously/308400 "2010-04-22T09:42:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![the\_lar](https://avatars.discourse-cdn.com/v4/letter/t/90ced4/32.png) [@the\_lar](https://forum.kirupa.com/u/the_lar)\
**Post date:** [April 22, 2010, 9:42am UTC](https://forum.kirupa.com/t/flex-debugger-watching-an-expression-continuously/308400/1 "2010-04-22T09:42:56Z")

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Hi all,

Just a quick question about the Flex debugger (version 3).

I have an AS class and I want to monitor a value continuously as the movie is playing. For instance, I might want to watch ‘somebutton.x’ or ‘somebutton.width’ - I don’t want to use breakpoints because obviuosly every breakpoint stops the animation, and these values change on a window resize - so more or less every frame.

How do I add a watch expression without putting in a breakpoint - the one’s I’ve put in so far remain blank unless I add a breakpoint!

Many thanks  
Kevin