Microlearning checkbox doesnt appear in Review 360 or Scormcloud

Hi, 

I'm creating a short microlearning course where people have to attest they understand the content of the course. I've added a checkbox above the continue button and set the continue button to only allow users to proceed if the checkbox is ticked. 

 However, my issue is that when I go in to review this (either in Review 360 or externally via Scormcloud) the checkbox has disappeared. See screenshots.