def sendArpNgpf(self, ipv4ObjList):
        """
        Description
            Send ARP out of all the IPv4 objects that you provide in a list.

        ipv4ObjList: <str>:  Provide a list of one or more IPv4 object handles to send arp.
                      Ex: ["/api/v1/sessions/1/ixnetwork/topology/1/deviceGroup/1/ethernet/1/ipv4/1"]
        """
        if type(ipv4ObjList) != list:
            raise IxNetRestApiException('sendArpNgpf error: The parameter ipv4ObjList must be a list of objects.')

        url = self.ixnObj.sessionUrl+'/topology/deviceGroup/ethernet/ipv4/operations/sendarp'
        data = {'arg1': ipv4ObjList}
        response = self.ixnObj.post(url, data=data)
        self.ixnObj.waitForComplete(response, url+'/'+response.json()['id'])