How to add the text "ON" and "OFF in toogle button

How to add the text “ON” and "OFF in toogle button
Please help me out anyone
Thanks in advance

The HTML

  <span id="customToggle">
    <span>Off</span>
    <ion-toggle checked="false"></ion-toggle>
    <span>On</span>
  </span>

The CSS:

#customToggle {
    display: flex;
    align-items: center;
}