1. Select Site Explorer > Forms.
  2. Click the pencil icon to edit the form in question.
  3. Click on the plus sign for Field Elements.
  4. Drag and drop the File Attachment field onto the form.
  5. Hover over this field and click the pencil icon to edit.
  6. Enter a label, adjust settings as desired.
  7. Click the Select button next to Select document part > Select a documents part to associate with the file upload.
Warning: By default, documents will be publically accessible. If you do not want the documents to be public, you must set targeting and security on the documents part itself.
  1. Click Save.
  2. On the form Click Save or Save and Close.