I have a contact list with user's email and mobile phone number. I would like for the user to only be able to compete the survey once. Is there a way using Qualtrics distributions to distribute to both email and SMS, with reminders, and have the link only work once? For example if I receive the both the email and SMS, click the link in the SMS and complete the survey, if I then click the email link I'll get a message that I already completed the survey?
Thank you!
Best answer by NickAnderson
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