storage.on

function omphalos.storage.on(key, callback);

function callback(newValue, oldValue, key);

This function registers a callback to be invoked every time the value of the specified variable changes, such as through omphalos.storage.set().

The return value is an unlisten function that can be used to cancel the listener.

reserved names

Storage keys that start with __sys are reserved by Omphalos for system values; you should not use them in your own variables.