With this release, the User Plane Function (UPF) supports offline charging and reporting of usage data over the N4 interface.
Here, the SMF controls the collection and reporting of usage data by creating necessary PDRs and URRs, and associates the
URRs with its relevant PDRs defined for a PFCP session. It also controls data usage reporting at an IP-CAN bearer level, IP-CAN
session, TDF session, SDF, or at an application level.
The URR consists of the usage measurement method, reporting triggers, threshold, and quota values.
In this release, only URR creation is supported during PFCP session establishment.