In your Playable account, go to Videos.

Select the video to add to your Shopify Email Campaign.

Click on the Embed tab.

Select 'Shopify' from the dropdown list and hit the Copy To Clipboard button to grab the Embed Code.

In your Shopify account go to Marketing, then Create Campaign.

Select Shopify email and then select a template that best suits your campaign.

Click the Add section button where you want your video featured and select Custom Liquid. This will open a window where you can paste the previously copied Embed Code. The video will start running now.

You can send a test email or save your campaign.