Can you say a bit more about the use case? Is there a single event that you want to use to personalize the email? In that case, I am guessing that the Event table is not linked to the Recipient.
Thanks for your reply.
I will be having more than 100 events and i will be using event details in personalization.
although i am able to solve this by creating a new relationship schema for event and recipient.
I had to create a new Target mapping and now i have everything