# Are Hoops IDs deterministic when converting to SCS from STEP file

**URL:** <https://forum.techsoft3d.com/t/are-hoops-ids-deterministic-when-converting-to-scs-from-step-file/5162>\
**Category:** Help\
**Tags:** exchange\
**Created:** [June 10, 2026, 3:53pm UTC](https://forum.techsoft3d.com/t/are-hoops-ids-deterministic-when-converting-to-scs-from-step-file/5162 "2026-06-10T15:53:47Z")\
**Posts on this page:** 1\
**Showing post:** 4

<div class="post-metadata">

**Author:** ![tino](https://avatars.discourse-cdn.com/v4/letter/t/9dc877/32.png) [@tino](https://forum.techsoft3d.com/u/tino)\
**Post date:** [August 31, 2026, 8:27pm UTC](https://forum.techsoft3d.com/t/are-hoops-ids-deterministic-when-converting-to-scs-from-step-file/5162/4 "2026-08-31T20:27:59Z")

</div>

Hello @mark.aronin,

I believe your question is similar to this other post in the forum:

> [@How to one-to-one correspondence between the nodes fetched in the HoopsExchange code and the SCS node IDs generated by the HoopsCommunicator Converter](https://forum.techsoft3d.com/t/how-to-one-to-one-correspondence-between-the-nodes-fetched-in-the-hoopsexchange-code-and-the-scs-node-ids-generated-by-the-hoopscommunicator-converter/2640/2):
>
> Hi @Rui.Zhang03 ! This is possible with the [Exchange SC mapping](https://docs.techsoft3d.com/communicator/latest/prog_guide/data_import/cad_conversion/converter_app/external_data/exchange-sc-mapping.html) functionality. Here’s a brief getting started guide: This functionality allows you to create IDs that are consistent between Exchange and SC models. First, in the Communicator package, update the easy\_convert.js file found in quick\_start/scripts: Make sure the following lines are added to the process\_args, if not already there: ‘–output\_sc’, output\_sc\_path, ‘–output\_scs’, output\_scs\_path, ‘–output\_xml\_assemblytree’, output\_xm…

Thanks,  
Tino

---

_[View the full topic](https://forum.techsoft3d.com/t/are-hoops-ids-deterministic-when-converting-to-scs-from-step-file/5162)._