...
ER Case Number: You are able to identify an ER case number if there is a connected ER case.
Sharepoint HRI Case Number: Despite the name of this field, this case number is the Cherwell case number, and will only be populated for cases that came over from Cherwell.
Legacy Data: Similar to the preceding field, this field will only be checked if the case came over from Cherwell.
...
Case Contacts Section
This section shows the people related to the case. These people need to be manually added--the one exception is the Primary Employee/Contact who is generally automatically added when they create the case by emailing leave@colorado.edu.
The process to add additional Case Contacts is explained in “Adding Additional Case Contacts.”