Extract URL Parameter and Send to Google Sheet

<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WR3V52" height="0" width="0" style="display:none;visibility:hidden"></iframe>

EO St. Louis Summit LinkedSelling

<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KTL5KCT" height="0" width="0" style="display:none;visibility:hidden"></iframe>

<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-KTL5KCT" height="0" width="0" style="display:none;visibility:hidden" aria-hidden="true"></iframe>