---
title: identifier
framework: intents
role: symbol
role_heading: Instance Property
path: intents/inmessage/identifier
---

# identifier

The message’s unique identifier.

## Declaration

```swift
var identifier: String { get }
```

## Mentioned in

Improving interactions between Siri and your messaging app

## See Also

### Identifying the Message

- [conversationIdentifier](intents/inmessage/conversationidentifier.md)