Go to: My Surveys (Select Survey) » Edit
Click on Finish Options under Edit.
Here, select the Rewards finish option from the drop down and save.Following qualifying criteria are available:
Once you set up qualifying criteria, you need to select a reward:
Public Contact Email allows you to set an email address that should appear on the rewards page. This is the email address that will be used for communications with the reward winning respondents.
Notifications sections allows you to set up different email addresses for the survey administrator and for the public contact that respondents can contact with questions.
Below is an image of how the rewards page will look like. The public contact email will appear in the line, “Please contact ___ with questions.” This text cannot be modified.