# cxxUnionTemplateParameter

The <cxxUnionTemplateParameter> element describes a union parameter.

## Description

One or more <cxxUnionTemplateParameter> elements reside within the <cxxUnionTemplateParameters> container. <cxxUnionTemplateParameter> requires the child element <cxxUnionTemplateParameterType>; that describes the type of parameter. <cxxUnionTemplateParameter> may also contain the child element <apiDefNote> to describe the parameter further.

## Contained by

cxxUnionTemplateParameters

## Contains

apiDefNote, cxxUnionTemplateParameterType

## Content Model

(cxxUnionTemplateParameterType then apiDefNote, )

## Inheritance

topic/ph reference/ph apiRef/apiDefItem apiClassifier/apiDefItem cxxUnion/cxxUnionTemplateParameter

Parent topic: cxxUnion module