STEP 1: After setting up your landing page, click on "Next"  To set Reward for your opt-in page.  The Reward feature enables you to create Giveaway Reward Points That allows your visitor Unlock a Freebie or whatever you are offering them for taking certain actions.

STEP 2: Click on the "+ or Add Reward" Button. Set a Name for your Reward, Set the number of Points required to Unlock this reward and the Type of Reward your users will get after taking Action.   Click Save to continue.