Parent Input layer

Can be used only inside of the Compo Based Use a complex setup to create versatile procedural modifiers Read More and the Content Mapping Automatize complex dispatch of content from the Show toward Content Map Read More .
Its function is to display anything that goes inside the Compo Based Use a complex setup to create versatile procedural modifiers Read More and Content Mapping Automatize complex dispatch of content from the Show toward Content Map Read More like some kind of reference.
Go check that other part of the documentation for further information.