Wintermute User Guide - concepts:variables http://wiki.deterministic.ltd/ 2026-04-17T01:56:18+00:00 Wintermute User Guide http://wiki.deterministic.ltd/ http://wiki.deterministic.ltd/lib/exe/fetch.php?media=wiki:logo.png text/html 2025-05-17T20:51:58+00:00 Anonymous (anonymous@undisclosed.example.com) references http://wiki.deterministic.ltd/doku.php?id=concepts:variables:references&rev=1747515118&do=diff Variable References Variable references allow you to inline the value of a variable into a command. So, given the variable: zone.variable1=Hello The command: message: $zone.variable1 Dave Would produce the text “Hello Dave” in the system log text/html 2025-05-17T20:51:58+00:00 Anonymous (anonymous@undisclosed.example.com) special http://wiki.deterministic.ltd/doku.php?id=concepts:variables:special&rev=1747515118&do=diff Special Variables Wintermute has two sets of variables outside the standard zone.variable hierarchy: System Variables The following variables cannot be written to, but can be read from anywhere in Wintermute: * wmTime - returns the value of the text/html 2025-05-17T20:51:58+00:00 Anonymous (anonymous@undisclosed.example.com) triggers http://wiki.deterministic.ltd/doku.php?id=concepts:variables:triggers&rev=1747515118&do=diff Variable Triggers When you're monitoring a numerical variable, you can set a trigger on it using trigger_add to fire a command based on its changing value. The command documentation gives more information on their use. Used in conjunction with the filter flag, this can be a useful way for monitoring things like pressure sensors, distance sensors etc