Policy Server Guides › Policy Server Configuration Guide › Attributes and Expressions Reference › Functions Available within Expressions › PARENTDN Function--Retrieve Parent in LDAP Tree

PARENTDN Function--Retrieve Parent in LDAP Tree

The PARENTDN function returns the next level up in the LDAP Directory Information Tree above the specified distinguished name (DN). If the specified DN is invalid, or is already at the top of the tree, a blank string is returned.

Syntax

The PARENTDN function has the following format:

PARENTDN(source_string)

Parameters

The PARENTDN function accepts the following parameters:

source_string (string)

The LPAP distinguished name (DN).

Return Value

The PARENTDN function returns a string.

Remarks

LDAP Only: Yes

Example

Return_value=PARENTDN("uid=juan,o=NDS.com")
Return_value="o=NDS.com"

Return_value=PARENTDN("o=NDS.com")
Return_value=""