Add Code From A Page To Hidden Fields In Gravity Form Embedded In Popup Maker

functions.php

function custom_jc_woo_product_loop_Contact_for_bulk_pricing(){
    global $post,$product;

    $formsku = get_post_meta(get_the_id(), '_sku' , true);
    $permalink = get_the_permalink();
    
    //Request Quote Button, 
    echo "<a class='ab-item button pdfspec' href='' onclick=\"save_current_product('$formsku', '$permalink'); PUM.open(43068);return false;\">Request Quote</a>";
}

header.php

<script>
jQuery(function($){
	//	Populate SKU and embed_url hidden fields on popup opening.
	$(document).on("pumBeforeOpen", "#pum-43068", function(){
		try {
			$("#input_3_5").val(window.current_product_url);
			$("#input_3_8").val(window.current_product_sku);
		} catch(e) {
			$("#input_3_5").val("");
			$("#input_3_8").val("");
		}
	});
});

//	save current product's SKU and URL to be available on popup opening.
function save_current_product(sku, url)
{
	window.current_product_sku = sku;
	window.current_product_url = url;
}
</script>