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# ODQuerySetDispatchQueue(_:_:)

Retrieves results from a query asynchronously by adding the query to a dispatch queue.

```
func ODQuerySetDispatchQueue(_ query: ODQueryRef!, _ queue: dispatch_queue_t!)
```

## Parameters

`query`

The query.

`queue`

The dispatch queue.

## Discussion

When the query is complete, the query’s callback function is called with both `inResults` and `inError` set to `NULL`.

## See Also

[`ODQueryCallback`](/documentation/OpenDirectory/ODQueryCallback)

A callback function called as results from a scheduled query are returned.


---

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