ACM > Structures > CustomAttribute CustomAttribute¶ Structure Class¶ CustomAttribute dataclass ¶ Bases: _SerdeShape Defines the X.500 relative distinguished name (RDN). Attributes¶ object_identifier class-attribute instance-attribute ¶ object_identifier: str | None = ... Specifies the object identifier (OID) of the attribute type of the relative distinguished name (RDN). value class-attribute instance-attribute ¶ value: str | None = ... Specifies the attribute value of relative distinguished name (RDN).