[Freeswitch-users] how to pass session from dialplan xml to lua script?

hi all, i have a lua script(record.lua) to record the call: record.lua -------------------------------------- callerid = argv[1] dest = argv[2] recording_dir = argv[3] filename = callerid ..dest recording_filename = string.format('%s%s', recording_dir, filename) if session:ready() then -- NOTE: the session here is nil! max_len_secs = 30 silence_threshold = 30 silence_secs = 5 test = session:recordFile(recording_filename, max_len_secs, silence_threshold, silence_secs); end but i don't know how to pass "session" from the default dialplan to lua in the following sentence: <action application="lua" data="record.lua ${caller_id_number} ${destination_number} $${recordings_dir}"/> any response is apprieciated!