# BlendMode.LAYER / ALPHA /w code

**URL:** <https://forum.kirupa.com/t/blendmode-layer-alpha-w-code/295019>\
**Category:** flash\
**Created:** [August 24, 2009, 12:17pm UTC](https://forum.kirupa.com/t/blendmode-layer-alpha-w-code/295019 "2009-08-24T12:17:35Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Esseti](https://avatars.discourse-cdn.com/v4/letter/e/bb73d2/32.png) [@Esseti](https://forum.kirupa.com/u/Esseti)\
**Post date:** [August 24, 2009, 12:17pm UTC](https://forum.kirupa.com/t/blendmode-layer-alpha-w-code/295019/1 "2009-08-24T12:17:35Z")

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Hi, I need a little bit of help.  
How can I punch out a alpha hole with the blue circle in the red circle with code? I can’t wrap my head around setting up the blendMode properties.

CS3 source.