Explain requirements of the FROM argument of send_message command (#2959)

diff --git a/src/mod_admin_extra.erl b/src/mod_admin_extra.erl
index 8d66896137c1c0431ca7bac54998e3ce945cf564..5c5c6cb253713581648d8179d5e80b16422128f0 100644 (file)
--- a/src/mod_admin_extra.erl
+++ b/src/mod_admin_extra.erl
@@ -730,12 +730,16 @@ get_commands_spec() ->
                        result = {value, integer}},
      #ejabberd_commands{name = send_message, tags = [stanza],
                        desc = "Send a message to a local or remote bare of full JID",
+                       longdesc = "When sending a groupchat message to a MUC room, "
+                       "FROM must be the full JID of a room occupant, "
+                       "or the bare JID of a MUC service admin, "
+                       "or the bare JID of a MUC/Sub subscribed user.",
                        module = ?MODULE, function = send_message,
                        args = [{type, binary}, {from, binary}, {to, binary},
                                {subject, binary}, {body, binary}],
                        args_example = [<<"headline">>, <<"admin@localhost">>, <<"user1@localhost">>,
                                <<"Restart">>, <<"In 5 minutes">>],
-                       args_desc = ["Message type: normal, chat, headline", "Sender JID",
+                       args_desc = ["Message type: normal, chat, headline, groupchat", "Sender JID",
                                "Receiver JID", "Subject, or empty string", "Body"],
                        result = {res, rescode}},
      #ejabberd_commands{name = send_stanza_c2s, tags = [stanza],