# onUnload transitions

**URL:** <https://forum.kirupa.com/t/onunload-transitions/238176>\
**Category:** flash\
**Created:** [September 7, 2007, 9:43pm UTC](https://forum.kirupa.com/t/onunload-transitions/238176 "2007-09-07T21:43:25Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![wjaspers](https://avatars.discourse-cdn.com/v4/letter/w/e19b73/32.png) [@wjaspers](https://forum.kirupa.com/u/wjaspers)\
**Post date:** [September 7, 2007, 9:43pm UTC](https://forum.kirupa.com/t/onunload-transitions/238176/1 "2007-09-07T21:43:25Z")

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I’m trying to use an onUnload transition on several movieClips, but the transition doesn’t seem to take effect. the clips are just instantly vanishing. I am using AS based Tweens to handle this, btw.

all other clip AS is working correctly.

any clue as to how to fix this?