How to get -123 instead of 123?

[rossko57]

Changing string item to number type in rule?

Gday, Just trying to get up an alert when a phone battery is getting low. I followed along from this thread (which I think is really awesome) and parsed the battery value from the owntracks mqtt data. The rest item seems to be updating ok, but is a string type [image] Item is, String mqttNWBattery “NW’s Battery [%s%%]” Rule is, rule "Battery Alert NW" when Item mqttNWBattery changed then if((mqttNWBattery.state) < 25){ sendMail("myemail@gmail.com", "NW battery <25%!", "") } …