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# typeDescription(for:)

Provides the updated project type description for previously invalidated project types.

```
func typeDescription(for projectType: PHProjectType) -> PHProjectTypeDescription?
```

## Parameters

`projectType`

The previously invalidated project type whose type description is being requested.

## Return Value

The [`PHProjectTypeDescription`](/documentation/PhotosUI/PHProjectTypeDescription) for the given project type.  The returned description’s project type must match the given project type.

---

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