If you need to have an Opt In/Opt Out question you can create one using the Waiver/Terms & Conditions question type.
To add an Opt In/Opt Out question do the following:
- Click "Edit Fields & Questions" in the "Setup" timeline
- Click the "Waiver / Terms & Conditions" question
- Update the Reference Name if needed
- Edit the Text/HTML using your Opt In/Opt Out language
- Click "Submit and Return to Questionnaire"
- Click "Edit Answers" and add/update the defined answers
- Click "I am done! >> Return to Questions"