Automatic wait node
Each inbound message activity (In-app message, Code-based experience, or Card) comes with a 3-days Wait activity. As inbound messages automatically end when a profile reach out the end of the journey, we assume that you want your users to see it at least for 3 days. You can remove this Wait activity, or change its configuration if needed.
Where in the UI/API we can change the configuration ?
Reference url: https://experienceleague.adobe.com/en/docs/journey-optimizer/using/orchestrate-journeys/about-journe...