Update Service Operation Towards hSMF Call Flow

The NF Service Consumer, such as vSMF, updates a PDU session in the hSMF. The NF Service Consumer also provides the hSMF with information that NF Service Consumer receives from vSMF in the N1 SM signalling from the UE. The NF Service Consumer uses the HTTP POST method to receive this information.

This section describes the Update service operation towards hSMF call flow.

Update Service Operation Towards hSMF Call Flow
Update Service Operation Towards hSMF Call Flow Description
Step Description

1

NF Service Consumer, such as vSMF, sends a POST request to modify a PDU session to the resource representing a PDU session resource in the hSMF.

2

If the PDU session update is successful, the hSMF sends "204 No Content" or "200 OK" to the NF Service Consumer.

3

If the PDU session update fails, the hSMF sends the HTTP status code, as listed in the HTTP Status Codes for hSMF Update Error table. For the 4xx or 5xx response, message body contains a hSMF Update Error structure, including the ProblemDetails structure with the "cause" attribute.

HTTP Status Code for hSMF Update Error

Data Type

HTTPS Status Code

Cause

Details

Title

hSMF Update Error

404

CONTEXT_NOT

_FOUND

PDU_Context

_Not_Found

Network

_Failure