A Process Model with start form can be used in site even if it is not an application action?

Question

As per the documentation any process model that has a start form can be used in Sites as action. 
 The process model does not necessarily require to be an Application Action for a published application. 
 Please confirm if this is true. 
 
 If this is true it does help in hiding the action on Tempo and just showing it on task which I believe is great.

gianninol · Accepted Answer

Yes, this is true. I've done this several times in the past; it's a very nice feature.

aloks0189 · Answer

Hi nikhilj infact when you are pushing your application control using Site then you don't need to publish you application, and unless you don't publish your application, your actions won't be visible on Tempo, even though if it is configured as am Action. 
 
So as we are interacting to our application control/UX/business processes using Sites, then you don't need to either publish an application or expose a process model as an action. 
 
Hope this will help you