# BSDD PropertyType

**URL:** <https://forums.buildingsmart.org/t/bsdd-propertytype/6327>\
**Category:** bSDD\
**Created:** [November 10, 2025, 1:09am UTC](https://forums.buildingsmart.org/t/bsdd-propertytype/6327 "2025-11-10T01:09:01Z")\
**Posts on this page:** 1\
**Showing post:** 6

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**Author:** ![artur\_tomczak](https://sea2.discourse-cdn.com/flex016/user_avatar/forums.buildingsmart.org/artur_tomczak/32/2632_2.png) [@artur\_tomczak](https://forums.buildingsmart.org/u/artur_tomczak)\
**Post date:** [December 16, 2025, 3:50pm UTC](https://forums.buildingsmart.org/t/bsdd-propertytype/6327/6 "2025-12-16T15:50:30Z")

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@Jocelin, IDS is not exactly an output of bSDD. Yes, you can use bSDD to feed your IDS specification, but you need to make some choices to achieve that. One of them is “what do I use as applicability filter, and what as actual requirements?”.

The bSDD doesn’t have the XtdFilter for simplicity of use. XtdSubject is represented by Class and Property objects.

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