Connecting RealEye study with Qualtrics survey
To connect a RealEye study with any external tool, i.e., Qualtrics, in order to compare participant's results from both tools, you need to pass variables in the link (here's a Qualtrics guide on how to do it: https://www.qualtrics.com/support/survey-platform/survey-module/survey-flow/standard-elements/passing-information-through-query-strings/).
There's also a video in which we show you how to do it step by step: