https://www.principalam.com/themes/custom/pgi_theme/js/pgi_modal_tracking_behavior.js?tm0qq5

1(function (Drupal, once) {
2  Drupal.behaviors.pgi_modal_tracking_behavior = {
3    attach: function (context) {
4      once('pgi_modal_tracking_behavior', '.pds-modal-dialog', context).forEach(function (modal, index, modalArray) {
5        let modaltitleElem = modal.querySelector("pds-heading") || modal.querySelector("h3");
6        const modaltitle = modaltitleElem ? modaltitleElem.innerHTML.trim() : '';
7        Drupal.pfgElementViewObserver(
8          modal,
9          {
10            'event': 'modalView',
11            'modaltitle': modaltitle // title of the modal area
12          },
13          0.1
14        );
15        const clickdiv = modal.querySelector('div');
16        clickdiv.addEventListener('click', (event) => {
17          window.dataLayer = window.dataLayer || [];
18          window.dataLayer.push({
19            'event': 'modalClick',
20            'modaltitle': modaltitle, // title of the modal area
21            'clicktext': event.target?.innerText
22          });
23        });
24      });
25    }
26  }
27}(Drupal, once));