VE.Bus BMS NG SoC protocol

Modifications
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1

I am interested in providing SoC data from a DIY BMS connected via VE.Bus.
From the VE.Bus BMS NG manual I read:

8.2. Displaying VE.Bus BMS NG SoC on a GX Device Unlike the VE.Bus BMS V2, the VE.Bus BMS NG transmits State of Charge (SoC) over the VE.Bus network.

Is this protocol available?

2

This is not a good way to do it and that data is not available as far as I am aware.
Rather use nodered and virtual battery, that is a “supported” way to integrate DIY batteries.