# Simulation Solutions

**URL:** https://forum.techsoft3d.com/c/simulation-solutions/90.md

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## [About the Simulation Solutions category](https://forum.techsoft3d.com/t/about-the-simulation-solutions-category/4928)

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**Author:** [@gabriel.peragine](https://forum.techsoft3d.com/u/gabriel.peragine)\
**Replies:** 0

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## [VKI DevTools documentation](https://forum.techsoft3d.com/t/vki-devtools-documentation/1118)

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**Author:** [@JustinCAE](https://forum.techsoft3d.com/u/JustinCAE)\
**Replies:** 1\
**Last updated:** [November 8, 2022, 10:09am UTC](https://forum.techsoft3d.com/t/vki-devtools-documentation/1118 "2022-11-08T10:09:17Z")

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The old vki.com webpage is gone. Where can I find the DevTools documentation?

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## [How to generate an Echo File in HOOPS Solve](https://forum.techsoft3d.com/t/how-to-generate-an-echo-file-in-hoops-solve/1123)

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**Author:** [@frode](https://forum.techsoft3d.com/u/frode)\
**Replies:** 0\
**Last updated:** [November 8, 2022, 5:09pm UTC](https://forum.techsoft3d.com/t/how-to-generate-an-echo-file-in-hoops-solve/1123 "2022-11-08T17:09:41Z")

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HOOPS Solve can log the call-stack of the supported objects to an Echo File, which could help the support team debug a given problem. This shows how to set this up in your application. Initialize the Echo File: vsy\_Ech…