It would be great to be able to retrieve the “Paper Size” option (A3/A4/...), in the same way as the custom options (i.e. as for {{options.variable}}).

This is in order to be able to include in a single model the different possible layouts for the same document (for example, for a default document in A3 landscape (then folded in 2, like a form). M1), be able to edit it in A4 portrait (not everyone has an A3 printer) with one and the same doc model).