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# AppSchema.MessagesEnum

Identifies enum schemas in the messages domain.

```
protocol MessagesEnum : AppSchema.Kind
```

## Topics

### Instance Properties

[`var conversationAttribute: some AppSchemaEnum`](/documentation/AppIntents/AppSchema/MessagesEnum/conversationAttribute)

An enum schema for a conversation attribute parameter.

[`var customReaction: some AppSchemaEnum`](/documentation/AppIntents/AppSchema/MessagesEnum/customReaction)

An enum schema for a custom reaction parameter.

[`var messageAttribute: some AppSchemaEnum`](/documentation/AppIntents/AppSchema/MessagesEnum/messageAttribute)

An enum schema for a message attribute parameter.

[`var messageEffect: some AppSchemaEnum`](/documentation/AppIntents/AppSchema/MessagesEnum/messageEffect)

An enum schema for a message effect parameter.

[`var messageType: some AppSchemaEnum`](/documentation/AppIntents/AppSchema/MessagesEnum/messageType)

An enum schema for a message type parameter.

## Relationships

### Inherits From

[`Kind`](/documentation/AppIntents/AppSchema/Kind)

### Conforming Types

[`Enum`](/documentation/AppIntents/AppSchema/Enum)

---

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