How to report OPT Employment Reporting to DSO office?

Please see the attached sample letter.Subject: URGENT: OPT Employment Reporting – SEVIS Update RequiredDear [DSO’s Name],I recently received a notice from SEVP indicating that my SEVIS record lacks employerinformation and that I may have exceeded the 90-day unemployment limit.I have been employed during my OPT period and would like to urgently r