In order to track participants between platforms we must receive and pass back unique Participant IDs. This helps us to tag participants from outside our systems in order to match up the emotion data we collect with any external demographic or survey data that you collect.
The ID must be passed as a variable in the URL called 'CustomParticipantID' and should be sent as a regular URL encoded GET query string. It can be any number or string up to 255 Unicode characters.
For example, in the following test URL, 'YYY' is the external tracking ID: https://collect.realeyesit.com/XXXXXX?CustomParticipantID=YYY
The ‘YYY’ at the end of the test link will need to be dynamically replaced by a unique participant ID, which allows us to upload any associated information that you send us after the data collection has been completed.
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