In your Playable account, go to Videos. Select the video to add to your Marketo Email Template. Click on the Embed tab.

Select Marketo from the dropdown list.

In your Marketo dashboard, go to Marketing Activities.

In the left panel, under Active Marketing Activities, choose a folder where you'd like to create your email program.

Click the New button, then click New Program. Add a name to the program and make sure to select Email under Program Type and hit the Create button.

Look for the Email box and hit New Email.

Enter your email name, select a template, and click the Create button on the top right.

Once the template loads, click on any text content in the email until a small settings icon appears on the top right of the text. Click the settings icon and hit Edit.

Click the HTML Editor in the text editor.

Paste the Playable Embed Code into the HTML Source Editor and hit Apply.

Hit Save and the video should start playing in your Marketo email template.