I don't know if this is already implemented or not but I would like the ability to link request. E.g I may have a request to build a new server with ID 1234, however I could have two sub request e.g buy parts as ID 1235 and install OS as ID 1236.

The way that the linking could work is:

ID: 1234 is linked to request 1235, 1236

ID 1235 is linked to request 1234

ID 1236 is linked to request 1234