# Set a Key Schedule Parameter back to (none)

**URL:** <https://forum.dynamobim.com/t/set-a-key-schedule-parameter-back-to-none/68826>\
**Category:** Revit\
**Tags:** revit, schedule, dynamo\
**Created:** [October 3, 2021, 9:38pm UTC](https://forum.dynamobim.com/t/set-a-key-schedule-parameter-back-to-none/68826 "2021-10-03T21:38:15Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![jacob.small](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/jacob.small/32/161030_2.png) [@jacob.small](https://forum.dynamobim.com/u/jacob.small)\
**Post date:** [October 3, 2021, 10:06pm UTC](https://forum.dynamobim.com/t/set-a-key-schedule-parameter-back-to-none/68826/4 "2021-10-03T22:06:28Z")

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Hmmmm… try using an invalid element? (Select by ID, -1 as the ID, feed that). Might not work though. This may require a more direct Revit API interaction (IE: Python, or a custom zero touch node) to ensure the right override.

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