One distributed document, already decompressed.
schema is the AN's own label — procNFe_v4.00, resNFe_v1.01, procEventoNFe_v1.00 — and it says whether xml is a full document or only a summary.
schema
procNFe_v4.00
resNFe_v1.01
procEventoNFe_v1.00
xml
@type t() :: %SefazNfe.DistDFe.Document{ nsu: String.t(), schema: String.t(), xml: String.t() }