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# mediaGroup(forIdentifier:)

Returns the media group with the specified identifier.

```
func mediaGroup(forIdentifier mediaGroupIdentifier: String) -> MLMediaGroup?
```

## Parameters

`mediaGroupIdentifier`

The media group identifier to search for in the source.

## Discussion

The media source must have finished loading before this method returns valid data. Specifically, the root media group must be available before the lookup methods will succeed. Otherwise, the return value is undefined.

---

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