Yes, with that you can command it to given focal length. Do not expect great performance of the electric zooms tough. At least this Panasonic lens is not great.
See 1:55
The focusing problem mentioned there should now be fixed, but have not tested it.
Here is testing the same lens on P4K and iPhone / Apple Watch control 1:15
viewtopic.php?f=2&t=128096Have you already established the connection, after that the control should be pretty easy, just follow the documentation and test.