Methods are provided to operate an SMF node. A request to create a session for a wireless device is received. A communication establishment request is transmitted to an NEF node responsive to receiving the request to create the session for the wireless device, wherein the communication establishment request includes UPF node information for a tunnel between a UPF node and the NEF node to be used for the session for the wireless device. A communication establishment response is received from the NEF node, wherein the communication establishment response includes NEF node information for the tunnel between the UPF node and the NEF node to be used for the session for the wireless device. A tunnel information update is transmitted to the UPF node after receiving the communication establishment response, wherein the tunnel information update includes the NEF node information for the tunnel between the UPF node and the NEF node.