mqtt with logic machine

[abby]

sir i have tried it but it is showing error 

local mqtt_to_object = {
    ["mqtt.intingy.com"] = "32/1/1", 
    ["test1"] = "32/1/2", 
   
}

local function create_trend_log("32/1/1")

    print("TEMP", '32/1/1')
end

for mqtt_topic, group_address in pairs(mqtt_to_object) do
    create_trend_log('32/1/1')
end