Hi, i have a idm 3.5 for sync AD Domain....

i have username in edirectory with a CN with more than 20 character...
driver rule truncate the cn for userlogonname on AD and alll is ok...but i
want to know when a cn is > 20 character and then block user creation
.....because i want truncate the cn manually!!!

there is a query that if cn is > of 20 charather then

send mail???