Title: WP_REST_Controller::get_item_schema
Published: December 6, 2016
Last modified: April 28, 2025

---

# WP_REST_Controller::get_item_schema(): array

## In this article

 * [Return](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#return)
 * [Source](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#source)
 * [Related](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#related)
 * [Changelog](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#changelog)

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

Retrieves the item’s schema, conforming to JSON Schema.

## 󠀁[Return](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#return)󠁿

 array Item schema data.

## 󠀁[Source](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#source)󠁿

    ```php
    public function get_item_schema() {
    	return $this->add_additional_fields_schema( array() );
    }
    ```

[View all references](https://developer.wordpress.org/reference/files/wp-includes/rest-api/endpoints/class-wp-rest-controller.php/)
[View on Trac](https://core.trac.wordpress.org/browser/tags/6.9.4/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php#L310)
[View on GitHub](https://github.com/WordPress/wordpress-develop/blob/6.9.4/src/wp-includes/rest-api/endpoints/class-wp-rest-controller.php#L310-L312)

## 󠀁[Related](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#related)󠁿

| Uses | Description | 
| [WP_REST_Controller::add_additional_fields_schema()](https://developer.wordpress.org/reference/classes/wp_rest_controller/add_additional_fields_schema/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Adds the schema from additional fields to a schema array.

  |

| Used by | Description | 
| [WP_REST_Controller::get_fields_for_response()](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_fields_for_response/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Gets an array of fields to be included on the response.

  | 
| [WP_REST_Controller::get_object_type()](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_object_type/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Retrieves the object type this controller is responsible for managing.

  | 
| [WP_REST_Controller::get_endpoint_args_for_item_schema()](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_endpoint_args_for_item_schema/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Retrieves an array of endpoint arguments from the item schema for the controller.

  | 
| [WP_REST_Controller::get_public_item_schema()](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_public_item_schema/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Retrieves the item’s schema for display / public consumption purposes.

  | 
| [WP_REST_Controller::get_context_param()](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_context_param/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Retrieves the magical context param.

  | 
| [WP_REST_Controller::filter_response_by_context()](https://developer.wordpress.org/reference/classes/wp_rest_controller/filter_response_by_context/)`wp-includes/rest-api/endpoints/class-wp-rest-controller.php` |

Filters a response based on the context defined in the schema.

  |

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## 󠀁[Changelog](https://developer.wordpress.org/reference/classes/wp_rest_controller/get_item_schema/?output_format=md#changelog)󠁿

| Version | Description | 
| [4.7.0](https://developer.wordpress.org/reference/since/4.7.0/) | Introduced. |

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