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Docs/ API Reference/ Context/ set_output

Context· method

StepContext.set_output

record a read-only graph-scalar output on the node card

Python

set_output(name: str, value: Any) -> None

Parameters#

name	type	default	description
`name`	`str`	—	the `graph_outputs` param name to set
`value`	`Any`	—	the scalar value to record on the node card

Example#

Python

@tool.shape(graph_outputs=["n_rows"])
def keep_top(t: Table, ctx: StepContext) -> Table:
    out = t.filter(t["score"] > 10)
    ctx.set_output("n_rows", len(out))
    return out

Notes#

The name must be a param declared via @tool.<kind>(graph_outputs=…). These are output=True params — excluded from the cache key and emitted in STEP_FINISHED — so setting them never affects resume caching.

Parameters#

Example#

Notes#

See also#