# cxxVariableStorageClassSpecifierMutable

The <cxxVariableStorageClassSpecifierMutable> element marks this variable as mutable.

## Description

The <cxxVariableStorageClassSpecifierMutable> element has no children. <cxxVariableStorageClassSpecifierMutable> can have the fixed attributes name and value both of which are set to "mutable".

## Example

    <cxxVariableDefinition>
        <cxxVariableAccessSpecifier value="private"/>
        <cxxVariableStorageClassSpecifierMutable/>
        <cxxVariableDeclaredType>
            <apiRelation href="class_t_call_back.xml#class_t_call_back">TCallBack</apiRelation>
        </cxxVariableDeclaredType>
        <cxxVariableScopedName>RFbsSession</cxxVariableScopedName>
        <cxxVariablePrototype>TCallBack iCallBack</cxxVariablePrototype>
        <cxxVariableNameLookup>RFbsSession::iCallBack</cxxVariableNameLookup>
        <cxxVariableAPIItemLocation>
            <cxxVariableDeclarationFile name="filePath" value="C:/src/include/fbs.h"/>
            <cxxVariableDeclarationFileLine name="lineNumber" value="121"/>
        </cxxVariableAPIItemLocation>
    </cxxVariableDefinition>

## Contained by

cxxVariableDefinition

## Contains

## Content Model

No content.

## Inheritance

topic/state reference/state apiRef/apiQualifier apiValue/apiQualifier cxxVariable/cxxVariableStorageClassSpecifierMutable

Parent topic: cxxVariable module