# I can't make a single shader run in Processing

**URL:** <https://discourse.processing.org/t/i-cant-make-a-single-shader-run-in-processing/36462>\
**Category:** Coding Questions\
**Created:** [April 19, 2022, 8:08pm UTC](https://discourse.processing.org/t/i-cant-make-a-single-shader-run-in-processing/36462 "2022-04-19T20:08:43Z")\
**Posts on this page:** 1\
**Showing post:** 7

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**Author:** ![Amirk](https://avatars.discourse-cdn.com/v4/letter/a/bcef8e/32.png) [@Amirk](https://discourse.processing.org/u/Amirk)\
**Post date:** [April 24, 2022, 5:19am UTC](https://discourse.processing.org/t/i-cant-make-a-single-shader-run-in-processing/36462/7 "2022-04-24T05:19:42Z")

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Problem solved finally.

It seems the examples I used from online tutorials had some outdated syntax for the vertex shader.  
If someone need the correct one, simply check the examples/topics/shaders in your version of Processing package. I didn’t realize they had shader examples there 😉

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