---
title: "invalidateTypeDescription(for:)"
framework: photosui
role: symbol
role_heading: Instance Method
path: "photosui/phprojecttypedescriptioninvalidator/invalidatetypedescription(for:)"
---

# invalidateTypeDescription(for:)

Invalidates the type description for the given project type.

## Declaration

```swift
func invalidateTypeDescription(for projectType: PHProjectType)
```

## Parameters

- `projectType`: The project type to invalidate.

## Discussion

Discussion If you call this method for project types other than undefined, you must implement typeDescription(for:) with functionality for the invalidated project type.

## See Also

### Invalidating a Project Type

- [invalidateFooterText(forSubtypesOf:)](photosui/phprojecttypedescriptioninvalidator/invalidatefootertext(forsubtypesof:).md)