is it possible to assign a virtual source to send sysex?

[Vladistone]

2023-03-18 21:20:12: -- Lazy extension loading enabled
2023-03-18 21:20:12: -- Loading ~/.hammerspoon/init.lua
2023-03-18 21:20:13: -- Loading extension: midi
2023-03-18 21:20:13: -- Loading extension: inspect
2023-03-18 21:20:13: Virtual Sources: { "Port 1", "Port 2", "Port 3", "Port 4", "Port 5", "Port 6" }
2023-03-18 21:20:13: -- Loading extension: window
2023-03-18 21:20:13: -- Loading extensions: window.filter
2023-03-18 21:20:13: -- Loading extension: osascript
2023-03-18 21:20:13: myMidiDevice: hs.midi: ipMIDI (0x6040002770b8)
2023-03-18 21:20:13: -- Done.

I created a send message to use MCU LCD feedback about the information about assigning V-select to the LPX GUI "compare on / off" button:

-- Create message feedback for MCU LCD "compare on/off" (real Device variation)
local midiDevice = hs.midi.new("ipMIDI")
print(string.format("myMidiDevice: %s", midiDevice))
midiDevice:sendSysex("F0 00 00 66 10 12 00 43 6F 6D 70 61 72 3A F7 F0 00 00 66 10 12 38 6F 6E 2F 6F 66 66 F7")

In result bring both at LCD scribble strip MCU and XT (dubbing to left and right part of midi-controller) as is:

Compar:
on/off

The only thing that does not satisfy is that information is displayed both on the MCU and on the XT compartment (it is displayed simultaneously as virtualControl "Port 1" and "Port 2")
But else When I trying to assign output to specific one virtual port - "Port 2" only:

-- Create message feedback for MCU LCD "compare on/off" for Virtual Port:
local midiDevice = hs.midi.newVirtualSource("Port 2")
print(string.format("myVirtualPort: %s", midiDevice))
midiDevice:sendSysex("F0 00 00 66 10 12 00 43 6F 6D 70 61 72 3A F7 F0 00 00 66 10 12 38 20 6F 6E 2F 6F 66 66 F7")
2023-03-18 22:00:43: myVirtualPort: hs.midi: Port 2 (0x6040006692b8)

it doesn't work properly - with no results...🤔
please help with coding of VirtualSource