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

# submitSignal

> Gateway RPC for submitting workflow signals.

`submitSignal` delivers a signal payload to a waiting run.

* Method: `submitSignal`
* Scope: `signal:submit`
* Transports: HTTP RPC, WebSocket RPC
* Request: `{ runId, correlationKey, payload?, signalName? }`
* Response: `{ runId, signalName, correlationId, seq }`

Errors are versioned as `v1` and include `InvalidRequest`, `Unauthorized`, `Forbidden`, `RunNotFound`, and `Internal`.