public function save( $post_id ) {

		if ( ! llms_verify_nonce( 'llms_catalog_visibility_nonce', 'llms-catalog-visibility-nonce' ) ) {
			return;
		}

		$visibility = llms_filter_input_sanitize_string( INPUT_POST, '_llms_visibility' );
		if ( ! $visibility ) {
			return;
		}

		$product = new LLMS_Product( $post_id );
		$product->set_catalog_visibility( $visibility );

	}