INTRO The n2o_ftp module provides file upload protocol implementation. FTP -record(ftp, { id = [] :: [] | binary(), sid = [] :: [] | binary(), filename = [] :: [] | binary(), meta = [] :: any(), size = [] :: [] | integer(), offset = [] :: [] | integer(), block = [] :: [] | integer(), data = [] :: [] | binary(), status = [] :: [] | binary() }). You may also want to read: n2o_heart, mq.js, n2o_nitro.