wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php:702Retrieves Link Description Objects that should be added to the Schema for the nav menu items collection.
array protected function get_schema_links() { $links = parent::get_schema_links(); $href = rest_url( "{$this->namespace}/{$this->rest_base}/{id}" ); $links[] = array( 'rel' => 'https://api.w.org/menu-item-object', 'title' => __( 'Get linked object.' ), 'href' => $href, 'targetSchema' => array( 'type' => 'object', 'properties' => array( 'object' => array( 'type' => 'integer', ), ), ), ); return $links; }Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/rest-api/endpoints/class-wp-rest-menu-items-controller.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.