I mainly only use the Lux global in my pistons but you could find it all useful, Once you have install this and the Up/Downstairs Pistons your have the following Global Variables your be able to use in your webCoRE Pistons.
The house piston also includes the outside Temperature and Humidity you will need to install a weather device handler I recommend this one (Weather Station Tile 2.0) it has loads of useful information.
The piston will also display the following on the webCoRE Dashboard
Here is the piston. Import code “0rgo”