Control Nefit boiler

[gjniewenhuijse]

Try this:

Code:

setData('thermostat/dhw/charge', {value = true}) function setData(iFunction, iData)   local data = json.encode(iData)   if iDebug then log(devUrl..iFunction) end   res, code = https.request({     url = devUrl..iFunction,     method = 'POST',     headers = {       ["Content-Type"] = "application/json",       ["Content-Length"] = #data     },     data = data   })   if iDebug then log(code, res) end   return code, res end

Other error:
* arg: 1
  * string: closed
* arg: 2
  * nil