Title: PromptBuilder::usingProvider
Published: May 20, 2026

---

# PromptBuilder::usingProvider( string $providerIdOrClassName ): self

## In this article

 * [Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#parameters)
 * [Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#source)
 * [Changelog](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#changelog)

[ Back to top](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#wp--skip-link--target)

Sets the provider to use for generation.

## 󠀁[Parameters](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#parameters)󠁿

 `$providerIdOrClassName`stringrequired

The provider ID or class name.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wordpress-aiclient-builders-promptbuilder/usingprovider/?output_format=md#return)󠁿

 self

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

    ```php
    public function usingProvider(string $providerIdOrClassName): self
    {
        $this->providerIdOrClassName = $providerIdOrClassName;
        return $this;
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/php-ai-client/src/builders/promptbuilder.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/7.0/src/wp-includes/php-ai-client/src/Builders/PromptBuilder.php#L320)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/7.0/src/wp-includes/php-ai-client/src/Builders/PromptBuilder.php#L320-L324)

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

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

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