 using the configuration key "indicator_duration". Add a colon and integer number to specify an individual timeout, e.g. 'blink:15' (optional)
	You can also set an indicator icon, text and color by passing these as additional parameters in the icon, text and color arrays. Just provide one icon more than you have values to switch. A dynamic icon can be used also along with the 'simulate' option.
* @param {text=} an item to which a value is sent on longpress OR an id of a popup, with prefix '#' (optional)
* @