5G standalone - what is KPI for retainability?

Hi,

Need KPI formula for 5G Standalone retainability , since there is only single flow only QoS flow?

It is going to be 5QI (6/7/8/9) abnormal releases from gNB and AMF are your total drops

So, abnormal releases from gNB + AMF for all 5QI divided to total releases + abnormal releases gNB + AMF

how AMF comes to picture … its only data flow call

abnormal releases due to gNB and AMF related…Like LTE (enb and mme related abnormal releases)

Is this the same KPI for 5G NR DL or UL split % ?