> ## Documentation Index
> Fetch the complete documentation index at: https://trigger-v3-fix-additional-files.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# TriggerClient: cancelRunsForEvent() Instance Method

> The `cancelRunsForEvent()` instance method will cancel all the job runs (yet to be executed) that are triggered by a given eventId.

## Parameters

<ResponseField name="eventId" type="string" required>
  The event ID to cancel the job runs for. This is returned when calling either
  [client.sendEvent()](/sdk/triggerclient/instancemethods/sendevent) or
  [io.sendEvent()](/sdk/io/sendevent).
</ResponseField>

## Returns

<ResponseField type="object">
  <Expandable title="properties" defaultOpen>
    <ResponseField name="cancelledRunIds" type="array" required>
      List of Job Run IDs that are cancelled.
    </ResponseField>

    <ResponseField name="failedToCancelRunIds" type="array" required>
      List of Job Run IDs that have failed to be cancelled.
    </ResponseField>
  </Expandable>
</ResponseField>

<RequestExample>
  ```ts Cancelling Runs for an Event
  const event = client.sendEvent({
    name: "test.job",
  });

  // Some time later...
  const res = await client.cancelRunsForEvent(event.id);

  console.log(res.cancelledRunIds);
  console.log(res.failedToCancelRunIds);
  ```
</RequestExample>