If you want to add an interactive presentation to your Trainual, Google Slides is the way to go! Learn how to add your Google Slides presentation to your content.
To embed a Google Slides presentation:
Open the project and click File > Publish to the Web.
Toggle to the "Embed" tab and choose the settings you'd like.
Click "Publish" and copy the embed code
Open the Step you'd like to embed your Google Slides into
In the toolbar, click the three dots for "More Misc" and select "Code View"
Paste the copied code, and click "Code View" again