public void setGroupMemberField(String groupMemberField) {
        this.groupMemberField = groupMemberField;
        properties.put("ldap.groupMemberField", groupMemberField);
    }
Sets the field used to list members within a group.
Value of groupMemberField defaults to "member".

@param groupMemberField the field used to list members within a group.
xmppserver/src/main/java/org/jivesoftware/openfire/ldap/LdapManager.java