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# message

An entity schema for a message.

```
var message: some AppSchemaEntity { get }
```

## Discussion

To make your app’s content available to Apple Intelligence, conform your [`AppEntity`](/documentation/AppIntents/AppEntity) to a schema that describes your content to the system. If your app’s functionality aligns with the `messages` domain and its content matches the `message` schema, you can generate the properties and protocol conformance the schema requires for your app entity implementation with the `@AppEntity( .messages.message)` Swift macro. To make your app work with Siri, see <doc://com.apple.documentation/documentation/AppIntents/apple-intelligence-and-siri-ai>.

The following example shows an app entity that conforms to the `message` schema:

```swift
@AppEntity(schema: .messages.message)
struct MessageEntity {
    // MARK: Static

    static let defaultQuery = MessageEntityQuery()

    // MARK: Properties

    let id: <#Identifiable.ID#>

    var messageType: <#MessageType#>
    var author: <#MessagePerson#>
    var isRead: Bool
    var attributes: Set<<#MessageAttribute#>>
    var conversation: <#ConversationEntity#>
    var date: Date
    var subject: AttributedString?
    var body: AttributedString?
    var attachments: [IntentFile]
    var audioMessage: IntentFile?
    var customAttachments: [<#CustomAttachment#>]
    var locations: [GeoToolbox.PlaceDescriptor]
    var links: [LinkPresentation.LinkMetadata]
    var messageEffect: <#MessageEffect#>?
    var reaction: <#ReadReaction#>?
    var referencedMessage: <#MessageEntity#>?
    var notificationIdentifier: String?

    var displayRepresentation: DisplayRepresentation {
        <#DisplayRepresentation#>
    }

    // MARK: Query

    struct MessageEntityQuery: EntityQuery {
        func entities(for identifiers: [MessageEntity.ID]) async throws -> [MessageEntity] {
            <#code#>
        }
    }
}
```

The schema supports the following system experiences:

- Siri
- Shortcuts

For more information about the App Intents framework and the experiences it supports, see <doc://com.apple.documentation/documentation/AppIntents/getting-started-with-the-app-intents-framework>.

---

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