---
title: "filter(matching:memberOf:)"
framework: musickit
role: symbol
role_heading: Instance Method
path: "musickit/musiclibraryrequest/filter(matching:memberof:)-2u2ia"
---

# filter(matching:memberOf:)

Filters items by an optional property for an array of possible values.

## Declaration

```swift
mutating func filter<Value>(matching keyPath: KeyPath<MusicItemType.LibraryFilter, Value?>, memberOf values: [Value?]) where Value : MusicLibraryRequestFilterValueMembershipComparable
```