How to fetch the expiry date of loyalty points earned by the customer after performing different activity?

Requirement : As a customer I want to be able to see when my loyalty points will expire so that I know when I need to use them by . Assume that they are valid for a period of three years from the point they are earned.

Note : 1.In My-account/loyalty customer can see the activities and the loyalty points earned for each activity (API used : https://api.yaas.io/hybris/loy-member/v1/memberActivities?q=memberId) , 2. But now we need to show the expiry date for earned loyalty points . 3. Is there a way that we can configure this expiry date for loyalty points (earned or to be earned by the customer) in YaaS and fetch that expiry date ?