What does "Days to claim" mean and how to set it up.

This feature is only available for basic offers.
Here is how the business can set it ups

Go to the business portal.
Click on the "Offers" section.
Click on "Create an offer".
Select any type of offer "Basic Offers".
Fill out the short form to create the business offer.
Select the Start date and expiry date (date the business is creating the offer).
Fill the custom field in optional parameters "Days to Claim".

e.i: If the offer is received on a customer's birthday, they have X days to use it from the moment they receive the offer.
Click on "Next"

The Days to claim is a feature that the business can set up to limit the time a customer has to use a basic offer