# cxxStructBaseUnion

The <cxxStructBaseUnion> element declares inheritance from a base union in a struct derivation.

## Description

Used within a <cxxStructDerivation> element to declare inheritance from a base union.

## Example

    <cxxStructDerivation>
        <cxxStructDerivationAccessSpecifier value="public"/>
        <cxxStructBaseUnion href="union_base">Base</cxxStructBaseUnion>
    </cxxStructDerivation>

## Contained by

cxxStructDerivation

## Contains

## Content Model

No content.

## Inheritance

topic/xref reference/xref apiRef/apiRelation apiClassifier/apiBaseClassifier cxxStruct/cxxStructBaseUnion

Parent topic: cxxStruct module