ldap/templates/schemas/groupofentries.schema

objectclass ( 1.2.826.0.1.3458854.2.1.1.1 NAME 'groupOfEntries' SUP top STRUCTURAL 
            MUST ( cn )
            MAY ( member $
                  businessCategory $
                  seeAlso $
                  owner $
                  ou $
                  o $
                  description ) )