Significance of VD UI element settings

[cecolon 0]

There are several settings I couldn't find an explanation for: Favourite, Main and Empty. How do these work?

[Cameleon 17]

I've tried to find these details also and they are shockingly lacking. I've also started a new thread about other UI details. Fibaro could seriously do with updating their documentation on what is possible via Lua, it is clearly more powerful then their documentation lets on, as can be seem by various other peoples VD's and scenes but knowing what is possible is impossible with their current level of documentation that I can find. 

[freespirits 1]

Main = It's the button that get's fired when you press the 

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/monthly_2017_01/Cattura.JPG.1df6b4a960f4932abbdcf52e6a230f8d.JPG" alt="Cattura.JPG" /> button in VD widget in homescreen/apps. You can only choose 1 button.

Empty = If you select empty the element will not be visible in VD.

This is useful if you want to so something like this: 

 

This is a 3 button set with the button in the middle "Empty".

 

Favourite: I really have no idea =) . I tried using it but looks like nothing changes....