---
title: didFinishGathering
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/notificationcenter/messageidentifier/didfinishgathering
---

# didFinishGathering

An identifier for a message about a metadata query that finished its initial result gathering.

## Declaration

```swift
static var didFinishGathering: NotificationCenter.BaseMessageIdentifier<NSMetadataQuery.DidFinishGatheringMessage> { get }
```

## Discussion

Discussion Use this identifier with NotificationCenter’s addObserver(of:for:using:) or messages(of:for:bufferSize:) methods to observe messages of type NSMetadataQuery.DidStartGatheringMessage.

## See Also

### Identifying metadata query messages

- [didStartGathering](foundation/notificationcenter/messageidentifier/didstartgathering.md)