Section: 5.2.5.2.5 Npcf_AMPolicyControl_Update service operation
Content: Service operation name: Npcf_AMPolicyControl_Update. Description: NF Service Consumer, e.g. AMF can request the update of the AM Policy Association to receive updated access and mobility related policy information for the UE context when the Policy Control Request Trigger is met or the AMF is relocated due to the UE mobility and the old PCF is selected. Inputs, Required: AM Policy Association ID. Inputs, Optional: Information on the Policy Control Request Trigger condition that has been met as defined in clause 6.1.2.5 of TS 23.503[ Policy and charging control framework for the 5G System (5GS); Stage 2 ]  [20], GUAMI(s) (if NF Type is AMF), list of NWDAF instance Ids and corresponding Analytics ID(s), Target NSSAI. Outputs, Required: Success or not. Outputs, Optional: Access and mobility related policy information for the UE context as defined in clause 6.5 of TS 23.503[ Policy and charging control framework for the 5G System (5GS); Stage 2 ]  [20] and Policy Control Request Trigger(s) of AM Policy Association as defined in clause 6.1.2.5 of TS 23.503[ Policy and charging control framework for the 5G System (5GS); Stage 2 ]  [20]. See clause 4.16.2.1 for the usage of this service operation.