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Docs/ API Reference/ Context/ step_id
Context· property

StepContext.step_id

the running step's id, for keying emitted events

Python
step_id: str | None

Returns str | None — the step's id (tool.fn), or None if unset

Example#

Python
ctx.emit("viewer/status/set", step=ctx.step_id, text="done")

Notes#

Read-only, and None when no id is set. Use it only to key emitted events and logs — never to read back project or engine state, which would produce outputs the resume-cache key cannot see.

See also#

API: entity_id · emit · StepContext

Guides: Parameters vs ports

By LSD Team · Last updated Jul 17, 2026 Ask on Discord View as Markdown