DMS File

Hello,

How can I put the attached files in a form in the DMS module (Documents),
I was trying but not creating the folder

  Evidence evi = request.getContext().asType(Evidence.class);
  MetaFile metaFile = evi.getMetaFile();
  Beans.get(MetaFiles.class).attach(metaFile, metaFile.getFilePath(), evi);