To know when to add content to an existing SmartBoost, check out this article.
Below are steps for how to add content into an existing SmartBoost.
Log into your Lumanu team account at app.lumanu.com:
Go to your Content Manager:
Click the "SmartBoost" button next to the piece of content you'd like to include in the SmartBoost:
A pop-out will appear:
Choose the existing SmartBoost to add it to from the drop down.
Input the CTA you'd like to use for the content. If you do not input a CTA, the content will be created with the default CTA specified for the SmartBoost:
Click "Add to SmartBoost":
Your content will now be in the SmartBoost you specified!