conveyor smart component

Julito-

Good morning,

I am trying to set up a conveyor of 3 zones.

My goal is :

robot is dropping in zone 1 if zone 2 is free, part is moving to zone 2 and if zone 3 is free then part is moving to...

I can have 3 parts in this conveyor.

Could you help me to solve my problem or show an example.

Thanks a lot for your help.