Code-Snippets-Functions/Execute a function on a child site/All in One SEO Pack/set-noindex-product-search-pages.txt

add_filter( 'aioseo_robots_meta', 'aioseo_filter_robots_meta' );
function aioseo_filter_robots_meta( $attributes ) {
	if ( is_search() && 'product' === get_query_var('post_type') ) {
		$attributes['index'] = "noindex";
	};
	return $attributes;
}