# instrument

The object that helped the agent perform the action. E.g. John wrote a book with *a pen*.

## Expected Types

| Type | Description |
|------|-------------|
| [Thing](https://schema.org.ai/Thing) | The most generic type of item. |

## Used on Types

| Type | Description |
|------|-------------|
| [Action](https://schema.org.ai/Action) | An action performed by a direct agent and indirect participants upon a direct object. Optionally happens at a location with the help of an inanimate instrument. The execution of the action may produce a result. Specific action sub-type documentation specifies the exact expectation of each argument/role. See also [blog post](https://blog.schema.org/2014/04/16/announcing-schema-org-actions/) and [Actions overview document](https://schema.org/docs/actions.html). |

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Quoted from Schema.org 30.1, https://schema.org/instrument, under CC BY-SA 3.0. Served by the Org.AI Foundation at https://schema.org.ai/instrument.