Openbox keybind volume for thinkpad

rc.xml

<keybind key="XF86AudioRaiseVolume">
    <action name="Execute">
        <startupnotify>
            <enabled>true</enabled>
            <name>Volume Up</name>
        </startupnotify>
        <command>amixer set Master 5%+</command>
    </action>
</keybind>
<keybind key="XF86AudioLowerVolume">
    <action name="Execute">
        <startupnotify>
            <enabled>true</enabled>
            <name>Volume Down</name>
        </startupnotify>
        <command>amixer set Master 5%-</command>
    </action>
</keybind>
<keybind key="XF86AudioMute">
    <action name="Execute">
        <startupnotify>
            <enabled>true</enabled>
            <name>Volume Mute</name>
        </startupnotify>
        <command>amixer -D pulse set Master 1+ toggle</command>
    </action>
</keybind>

I was searching for this specific key shortcut for thinkpad. Thanks