Rhasspy and pause/delay

On this page https://github.com/synesthesiam/opentts

I found the following example:

<voice name="coqui-tts:en_vctk#p228">
    <s>Breaks are possible</s>
    <break time="0.5s" />
    <s>between sentences.</s>
  </voice>

Anyone know how to pass that break time thing from something like homeassistant?