# booking/11.6/includes/_shared-ui-catalog/interface-wpbc-ui-catalog-provider.php

Booking Calendar, version 11.6. 38 lines.

- Page: https://pluginprobe.com/plugins/booking/11.6/code/includes/_shared-ui-catalog/interface-wpbc-ui-catalog-provider.php
- Raw: https://pluginprobe.com/plugins/booking/11.6/raw/includes/_shared-ui-catalog/interface-wpbc-ui-catalog-provider.php
- Modified: 2026-08-22T14:02:04+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
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```php
<?php
/**
 * Provider contract for independent template-driven catalogs.
 *
 * @package Booking Calendar
 * @since   11.6.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Supply normalized responses for one registered catalog.
 *
 * Providers own domain authorization and data retrieval. The shared catalog
 * boundary owns only registration, shared request mechanics, and normalized
 * response validation.
 */
interface WPBC_UI_Catalog_Provider {

	/**
	 * Return the stable catalog identifier served by this provider.
	 *
	 * @return string Stable catalog identifier.
	 */
	public function get_catalog_id();

	/**
	 * Build a response for one validated shared request.
	 *
	 * @param WPBC_UI_Catalog_Request $request Validated shared request.
	 *
	 * @return WPBC_UI_Catalog_Response|WP_Error Normalized response or safe error.
	 */
	public function get_response( $request );
}

```