return {
  on = {
    timer = {
      'at *:00'
    },
  },
  logging = {
    level = domoticz.LOG_INFO,
    marker = 'Test',
  },
  execute = function(domoticz, item)
    -- auto lookup or manually fill in wanted Power and Gas idx
    PowerIDX = domoticz.devices('Power').idx
    GasIDX = domoticz.devices('Gas').idx
    -- fill in output path of CSV files, like '/home/pi/share'
    CSVpath = '/volume1/tmp'
    -- most domoticz systems create files as root/root, some systems only have read rights for group
    -- if you want the newly created files belong to another group like 'pi', enter here:
    NewGroup = ''
    -- NOTHING TO ADAPT FROM HERE --
    
    -- create meters information line
    Meters='power&gas;dmtz1;' .. domoticz.time.getISO() .. ';' 
    device = domoticz.devices(PowerIDX)
    Meters=Meters .. device.usage1 .. ';' .. device.return1 .. ';'
    Meters=Meters .. device.usage2 .. ';' .. device.return2 .. ';'
    device = domoticz.devices(GasIDX)
    Meters=Meters .. device.counter
    -- check if on month break
    yesterday = domoticz.time.addMinutes(-121)
    today = domoticz.time.addMinutes(61)
    if ( yesterday.month == today.month ) then
      csvfile = CSVpath .. '/DPhourly-' .. today.year .. '-' .. today.month .. '.csv'
      csvhandle = assert(io.open(csvfile, "a"))
      csvhandle:write(Meters .. '\n')
      csvhandle:close()
    else
      csvfile = CSVpath .. '/DPhourly-' .. yesterday.year .. '-' .. yesterday.month .. '.csv'
      csvhandle = assert(io.open(csvfile, "a"))
      csvhandle:write(Meters .. '\n')
      csvhandle:close()
      csvfile = CSVpath .. '/DPhourly-' .. today.year .. '-' .. today.month .. '.csv'
      csvhandle = assert(io.open(csvfile, "a"))
      csvhandle:write(Meters .. '\n')
      csvhandle:close()
      if ( NewGroup ~= '' ) then
          os.execute('chgrp ' .. NewGroup .. ' ' .. csvfile)
      end
    end
  end
}