jennlee20

//Open
jQuery( window ).trigger( {
	type: 'jet-popup-open-trigger',
	popupData: {
		popupId: 'jet-popup-<numeric popup ID>',
	}
} );

//Close , just trigger click to match the rules in popup setting
jQuery('#jet-popup-<numeric popup ID> .jet-popup__close-button').click();

jennlee20

<?php

function jennsup_custom_checkout_product_validation() {
    global $woocommerce;
    $cart_items = $woocommerce->cart->cart_contents;
    $restrict_product_id = 9787; //your restricted product id
    foreach ( $cart_items as $key => $item ) {
        $product_id = $item['product_id'] == 0 ? $item['variation_id']: $item['product_id'];
        $product_qty = $item['quantity'];
        if($product_id == $restrict_product_id) {