# Simple tween question

**URL:** <https://forum.kirupa.com/t/simple-tween-question/177543>\
**Category:** flash\
**Created:** [February 2, 2006, 9:05pm UTC](https://forum.kirupa.com/t/simple-tween-question/177543 "2006-02-02T21:05:11Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![opel](https://yyz1.discourse-cdn.com/flex011/user_avatar/forum.kirupa.com/opel/32/199_2.png) [@opel](https://forum.kirupa.com/u/opel)\
**Post date:** [February 2, 2006, 9:05pm UTC](https://forum.kirupa.com/t/simple-tween-question/177543/1 "2006-02-02T21:05:11Z")

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new to AS but loving it.

Simple question, I created a some effect with the Tween Class and I want it to play as the timeline bar moves onto it. I dont know how to do this in AS.

I have:

navbar.??? = function () {

I just dont know what I need to get it to play

Cheers

Andy