# Particle trace function not working

**URL:** <https://www.simscale.com/forum/t/particle-trace-function-not-working/99708>\
**Category:** CAD Mode Support\
**Created:** [January 22, 2025, 8:06pm UTC](https://www.simscale.com/forum/t/particle-trace-function-not-working/99708 "2025-01-22T20:06:57Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![igaviano](https://www.simscale.com/forum/user_avatar/www.simscale.com/igaviano/32/73967_2.png) [@igaviano](https://www.simscale.com/forum/u/igaviano)\
**Post date:** [January 22, 2025, 8:42pm UTC](https://www.simscale.com/forum/t/particle-trace-function-not-working/99708/2 "2025-01-22T20:42:31Z")

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Hi @Owura, thanks for posting on the forum.

Could you add a link to your project so we can take a closer look? Some screenshots would also help! This post offers a guideline on how to create a forum post:

- **[Guide to Clear and Understandable Forum Posting](https://www.simscale.com/forum/t/guide-to-clear-and-understandable-forum-posting/99461)**

In the meantime, make sure to check out this post-processing tutorial which goes into more detail on how to apply the Particle Trace filter:

- **[Tutorial: Post-Processing Fluid Flow Simulations | SimScale](https://www.simscale.com/docs/tutorials/post-processing-fluid-flow-simulations/#particle-traces)**

Cheers  
Igor

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