Updating an access control list

update acl reference {
  ace {

    audience = {

    };

    rights = [];

  }

}

orgmodel APPDUCXSAMPLE@200.200
{
  import COOSYSTEM@1.1;

  update acl DefaultDeveloperACL {
    ace {

      audience {

        user = SyAdm;

      }

      rights = [AccTypeRead, AccTypeChange];

    }

  }
}