> ## Documentation Index
> Fetch the complete documentation index at: https://docs.firstresonance.io/llms.txt
> Use this file to discover all available pages before exploring further.

# unassignReferenceDesignatorFromRunStep

> Unassigns a reference designator from a run step; a manual designator is removed outright, an mBOM-origin one is tombstoned so reconcile cannot revive it.