@APIParamsCall
    def delete_l3_policy(self, l3_policy):
        return self.delete(self.l3_policy_path % (l3_policy))
Registers the listener for the Widget.oncontextmenu event.
dataset/ETHPy150Open openstack/python-group-based-policy-client/gbpclient/v2_0/client.py/Client.delete_l3_policy--crossover with--dataset/ETHPy150Open dddomodossola/remi/remi/gui.py/Widget.set_on_contextmenu_listener