LJ::comm_join_request — Registers an authaction to add a user to a community and sends an approval email to the maintainers
LJ::comm_join_request(comm, u);
comm. Community user object
u. User object to add to community
cgi-bin/communitylib.pl
Hashref; output of LJ::register_authaction() includes datecreate of old row if no new row was created