Solved
How can I assign participant IDs within a Qualtrics survey?
I'd like to generate participant IDs starting with 101 and then increasing by 1 for each participant. The number will then be used as a unique identifier for future surveys.
Best answer by TomG
Assign the IDs in the ExternalDataReference field of the contact list. If you are uploading the contact list from a csv it is just another column. If you already have the contact list, you can export it to a csv, add the column, the reimport it to update the contacts.
If you are using an Authenticator in your survey flow, you can authenticate against the ExternalDataReference.
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