Title: MessageRoleEnum
Published: May 20, 2026

---

# class MessageRoleEnum {}

## In this article

 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-messages-enums-messageroleenum/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-messages-enums-messageroleenum/?output_format=md#changelog)

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Enum for message roles in AI conversations.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-messages-enums-messageroleenum/?output_format=md#source)󠁿

    ```php
    class MessageRoleEnum extends AbstractEnum
    {
        /**
         * User role - messages from the user.
         */
        public const USER = 'user';
        /**
         * Model role - messages from the AI model.
         */
        public const MODEL = 'model';
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/messages/enums/messageroleenum.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Messages/Enums/MessageRoleEnum.php#L17)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Messages/Enums/MessageRoleEnum.php#L17-L27)

## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-messages-enums-messageroleenum/?output_format=md#changelog)󠁿

| Version | Description | 
| [0.1.0](https://developer.wordpress.org/reference/since/0.1.0/) | Introduced. |

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