workflow/cancel

Cancels a live workflow run; admission-only bare ack, the cancellation’s truth arrives as the workflow item’s view events.

Parameters

Type: WorkflowCancelParams

workflow/cancel params: cancel a live workflow run.

Field	Type	Stability	Presence	Description
commandId	string		required	The idempotency handle (UUIDv7).
sessionId	string		required	The target session.
workflowRunId	string		required	The run to cancel, exactly as the workflow item names it; required, non-empty.

Source

schema/msp/experimental/msp.schema.json#/methods/workflow~2Fcancel

{
  "description": "Cancels a live workflow run; admission-only bare ack, the cancellation's truth arrives as the workflow item's view events.",
  "params": {
    "$ref": "#/$defs/WorkflowCancelParams"
  },
  "result": {
    "$ref": "#/$defs/WorkflowControlResult"
  }
}