VYPER automatically allows you to deliver reward emails for "point/milestone" rewards.
VYPER 2.0 METHOD
1.) Go to the Thank You tab
2.) Click on the reward you want to send emails for.
3.) Scroll down and toggle Send Email and then you can edit the emails by clicking Edit Email
4.) On this screen, you'll be able to edit the reward emails and use shortcodes
5.) Click Save & Finish once done
VYPER 1.0 METHOD
1 - Navigate to the rewards section, then click on "create new reward"