Hey @lambanitish
Hope you are doing well.
These resources could answer your question:
https://experienceleaguecommunities.adobe.com/t5/adobe-target-questions/how-do-we-tell-target-a-user-s-session-is-over-and-a-new-one-is/td-p/307623 https://experienceleague.adobe.com/docs/target/using/activities/t...