Hi! 2008/11/28 prasantha kumara <jlprasantha@REDACTED>: > args = erl_format("{cnode, ~i}", 7); The documentation for erl_rpc says that args is an Erlang list, containing the arguments to be passed to the function. So in your case it should be args = erl_format("[{cnode, ~i}]", 7); regards, Vlad