Implement FTMS control point with Zwift pr Kinomap

I have some doubts regarding the implementation and purpose of the FTMS Control Point.

1 . As stated in the FTMS service delivery, the Control Point is used by the client to control the behavior of the server, that is, the application (client) can request parameter values from the server according to the Op Code. But how can you visualize data requests? Is there any development tool that can be used for other devices (Kinomap, Zwift or Mat) when on the server which are the devices (Kinomap, Zwift) or Kit of other devices?
I saw on the Forum that some were using the Nrf Sniffer for Bluetooth, I followed the configuration steps, however when I run the program it does not recognize the Nrf52832 Kit, just the one in the image

Here is the plugin installed in the Wireshark folder.

2. Through the Control point it is possible to obtain the incline or resistance at the time of training by the application. For example, both in zwift and kinomap the speed and power vary according to the behavior of the terrain, that is, according to the variation of slope or resistance, is this not possible by the Control Point?

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