This in a Pushover module for FHEM. Pushover is a service to send Push messages to iOS and Android devices via a simple API. This module defines an actor which uses Pushover to send a message.
First, define a device:
define <name> pushover <app token> <user token>
where "name" is your devices name; app and user token can be found in the Pushover dashboard.
You can use this actor e.g. with the THRESHOLD module and get a notofication if e.g. temperature falls beyond a defined minimum:
define TempWatcherBathroom THRESHOLD Temp_Bath Push | set @ msg "Temp in bathroom too low!" | set @ msg "Temp in bathroom OK."
You can find more information on my website