How can someone add onclick to

How can one add js to the <a> like<a href="" onclick="Calendly.initPopupWidget({url: 'Calendly - Sam'});return false;">Click here Speak directly to one of our consultants</a>.

I need to add onclick=“Calendly.initPopupWidget({url: ‘Calendly - Sam’});return false;” to some anchors under ‘Services Section’ and to a button in ‘Jumborton Section’

How can I do that?

Hi Sheikhn

You have to edit theme files, please consider, we are not supporting any customization of the template files, get in touch with he provider of your code for installation instruction