User Type ID?

Hello, the IPaaS endpoint has a "User Type #" argument. I can't find any information on these values.  An unfiltered search returns a record larger than 20 MB and errors out.  So, I will have to do a few searches to get all our university faculty, staff, and students.

As a side note, the use case I am working on is creating a separate ESM service portal for our Administrative Services department. I need to create an IPaaS flow to update each person's record and give them access to the portal application.  I have tried creating reports, reading the reports, and then looking up the users, but that takes ~12 hours to complete.  So, a direct query using the IPaaS Get TDX Users endpoint would be best.  However, the return response is greater than 20 MB, so I have to try several filters to get all the users.  Please let me know if you have any suggestions on how best to do this.

Tevis