def update_vlan(self, name, vid, vni):
        """Adds a new vlan to vni mapping for the interface

        EosVersion:
            4.13.7M

        Args:
            vlan (str, int): The vlan id to map to the vni
            vni (str, int): The vni value to use

        Returns:
            True if the command completes successfully

        """
        cmd = 'vxlan vlan %s vni %s' + (vid, vni)
        return self.configure_interface(name, cmd)
dataset/ETHPy150Open arista-eosplus/pyeapi/pyeapi/api/interfaces.py/VxlanInterface.update_vlan/operator `%` -> `+`