# How to find Library Control in Action script

**URL:** <https://forum.kirupa.com/t/how-to-find-library-control-in-action-script/310841>\
**Category:** flash\
**Created:** [June 21, 2010, 6:29am UTC](https://forum.kirupa.com/t/how-to-find-library-control-in-action-script/310841 "2010-06-21T06:29:38Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![dhimenvora](https://avatars.discourse-cdn.com/v4/letter/d/7993a0/32.png) [@dhimenvora](https://forum.kirupa.com/u/dhimenvora)\
**Post date:** [June 21, 2010, 6:29am UTC](https://forum.kirupa.com/t/how-to-find-library-control-in-action-script/310841/1 "2010-06-21T06:29:38Z")

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i am beginner to action script is there any one who can teach me how to find library control in action script.

I want to change instance of symbol dynamically. like if the symbol1 is the instance of banner1.jpg now i want to change the instance using action script to banner2.jpg so now image of banner2 will display at runtime in symbol1 object

Thanks in Advance