def configDhcpServerV4(self, obj, **kwargs):
        """
        Description
            Create or modify DHCP v4 Server in NGPF.
            To create a new DCHP v4 server stack in NGPF, pass in the IPv4 object.
            To modify an existing DHCP V4 server stack in NGPF, pass in the dhcpv4server object.

        Parameters
            obj: <str>: To create new DHCP: /api/v1/sessions/1/ixnetwork/topology/1/deviceGroup/1/ethernet/1/ipv4/1
            obj: <str>: To modify DHCP server: /api/v1/sessions/1/ixnetwork/topology/1/deviceGroup/1/ethernet/1/ipv4/1/dhcpv4server/1

            useRapidCommit: <bool>: Default=False
            multiplier: <int>: Default-1
            subnetAddrAssign: <bool>: Default=False