[Zope] Re: Filling a metal slot which name is known only at run time

[Evan Simpson]

Martin Aspeli wrote:
> I'm creating a content type which composes the views of several objects  
> (the exact objects are picked by the end user) into a single view.  
> Developers can write a page template with a macro called  
> "CompositeListing" and register this template with a tool. Once  
> registered, users can pick the template as a layout for the composite  
> listing page.

I'm having trouble grasping this, or at least what the content object 
*does* with the macro.  What is it filling the slots with, and how does 
it decide which slots to fill with what, if the slots aren't uniform 
from template to template?

Cheers,

Evan @ 4-am