On other solutions you can say that an event is composed of several devices and trigger on that event.
For example you put your door-opening devices, motion sensors into a security event.
And the scenes are triggered by the security event.
Here Gladys does essentially the same thing except that we add the devices as scene triggers.
But in no case can a trigger be conditioned by another 
[quote=« guim31, post:4, topic:8569 »]