I know scripts such as
/script n=GetNumWhoResults(); i=1; while(i<n+1) do c,g=GetWhoInfo(i); if(i) then SendChatMessage("","WHISPER","ORCISH",c);InviteUnit(c); end; i=i+1; end;
exist to mass invite people to group, but any idea what i'd change or write to invite someone to a custom chat channel?