This document assumed the following:
You have your own website
You have created some activities
How to Publish Your Activities on Your Website Only
On Enrolmy, un-publish the activities you want to be hidden on Enrolmy.
On your own website, you can add &is_published=0,1 after the snippet 'mode=iframe' to force these “Unpublished” activities to be displayed as well.
E.g. <iframe frameborder="0" style="width: 100%; height: 3000px;" src="https://enrolmy.com/sports4totsconz?mode=iframe&is_published=0,1 "</iframe>