Default metadata input value


hey fellows,

A question real quick, I am building an asset builder,
Is there a way to the default set the metadata value (related asset), if so what keywords should I be using? the metadata is in a different schema which is not applied to the asset builder but applied to the folder where the asset will be created.

The metadata field I am trying to set is a related asset type with a default page selection, but in this instance, I need to point it to a different page, and if possible to hide this from the user so it’s always the set value?

Many thanks