You can share discounts and deals with customers by creating an offer from your Page. People can redeem it online or in-store, depending on where you make your offer available.
To create an offer from your Page:
Click Create an offer at the top of your Page’s timeline.
Describe your offer. You can edit the expiration date for your offer if you’d like it to run longer or shorter than a week.
Add a photo and select whether people can use the offer Online or In-Store. You can also add a promo code or terms and conditions (optional).