Here are a few articles that will be incredibly helpful in getting you acquainted with ISQs.
Institution Specific Question (ISQ): Questions written by your institution which pertain specifically to your institution. These are optional questions that you enter into our system. They will show at the end of the assessment.
How to Enter Institution Specific Questions (ISQs)
How to Branch from a Categorical answer to an ISQ
Though you cannot branch from Coding, satisfaction questions or from one ISQ to another ISQ, the system is designed to create branches from the categorical questions to an ISQ.