how to add calendar on nice page

Hello, I'm trying to add calendly html to my Nicepage in joomla. It is not showing up, do we need to install a widget with it? Many thanks

Good morning, I am testing features I need to build a new website and have questions: If I create a website directly in Nicepage, can I upload to my own domain and hosting provider? Can I embed...

How do the calendar widgets in your application work? is it a placeholder for a calendar after you export to wordpress?