About the Listen Node
The Listen Node is the most important node in your marketing automation flow.
It will listen for the Profiles in order to bring them into the flow. As Profiles join your Audience, perform any actions, enter a Segment, etc., they may come into your flow depending on your settings. Take a look at this article for more information about Profile data.
The Listen node is dependant on the Profile data available in order to bring the right Profiles into your Marketing Automation flow.
Click a link below to learn about how to work with Profile data in MA nodes!