Select the Collection you would like to attach the email template to and edit the Collection. On the left-hand side, click Manage next to Power-ups and scroll down until you see “HTML Email”.
Here you will select the template you had created, and apply or create a Filter View to determine what content will appear for your audience when they receive the newsletter. Once you’ve done that, click "Save". You can now Download your HTML Email campaign file to your device whenever you wish to send a new campaign. Your template and collections settings will be saved - making this a one-click process from now on!