In your Iterable account, go to Messaging, click Campaigns, create a New Campaign, choose Email, put a name to your Campaign, and select Blast.

In the Content window, select a pre-existing template or choose "Start from scratch".

Select Drag & Drop and choose a template that best suits your campaign.

On the Design screen, drag an HTML block where you want the video featured.

In your Playable account, go to Videos. Select the video to add to your Iterable Email Template.

Click on the Embed tab.

Select Iterable from the dropdown list.

Copy to Clipboard and return to Iterable, to paste the HTML on the HTML Block we set up earlier. Highlight everything in the text box and paste the code there. You'll be able to see the video playing.

Click Save Design. You can now review or launch the campaign.