it result set to products assigned a specific shipping class ID.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['attribute'] = array(
			'description'       => __( 'Limit result set to products with a specific attribute.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'sanitize_text_field',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['attribute_term'] = array(
			'description'       => __( 'Limit result set to products with a specific attribute term ID (required an assigned attribute).', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'wp_parse_id_list',
			'validate_callback' => 'rest_validate_request_arg',
		);
		$params['sku'] = array(
			'description'       => __( 'Limit result set to products with a specific SKU.', 'woocommerce' ),
			'type'              => 'string',
			'sanitize_callback' => 'sanitize_text_field',
			'validate_callback' => 'rest_validate_request_arg',
		);

		return $params;
	}
}