MusicXML 4.1 Draft
MusicXML 4.1 Draft > MusicXML Reference > Examples > <ppp>

<ppp>

ppp-element

<direction placement="below">
   <direction-type>
      <dynamics default-y="-67">
         <ppp/>
      </dynamics>
   </direction-type>
   <sound dynamics="27"/>
</direction>