!!! Overview

An [Example] for Retrieving [Constructed Attributes] from Microsoft Active Directory can be done using the filter and a baseDN of "" for the [rootDSE]
%prettify 
{{{
(&(systemFlags:1.2.840.113556.1.4.803:=$FLAG_ATTR_IS_CONSTRUCTED)(ObjectClass=attributeSchema))
}}} 

/%

This works as "4" is a [System-Flag] in the Schema Defintion that indicates the attribute is a [Constructed Attribute].

The [1.2.840.113556.1.4.803] (aka LDAP_MATCHING_RULE_BIT_AND) [ExtensibleMatch] Rule to select those with bit "4" set.

!! More Information
There might be more information for this subject on one of the following:
[{ReferringPagesPlugin before='*' after='\n' }]