Aqara Radiator Thermostat E1 switch when heating

Hi all,

I’m recently able to control my boiler via EMS ESP hardware and it works very nice.
Normally people have there main thermostat downstairs and when heating is needed there the boiler starts.

To be able to enable the boiler when any room needs heat I’m trying to read the heating status of the Aqara TRV E1 valve. Until know i’m unlucky with any trigger to see if it’s heating or not.

Like with the thermostat helper you can enable a switch (can be virtual switch) to make an automation to start heating. I would like to have the same with the Awara E1 TRV vavles but so far no luck. Does any one have some idea’s how to create this?
My flows are in Node Red and the only thing i can read is the thermostat mode (off, auto, heat).

Hopefully someone knows a good trick how to get a switch on and off when the device is heating or not.