ionic toolbar segment buttons change panel code example

Example: ionic toolbar

<ion-toolbar>
  <ion-buttons slot="secondary">
    <ion-button fill="solid">
      <ion-icon slot="start" name="person-circle"></ion-icon>
      Contact
    </ion-button>
  </ion-buttons>
  <ion-title>Solid Buttons</ion-title>
  <ion-buttons slot="primary">
    <ion-button fill="solid" color="secondary">
      Help
      <ion-icon slot="end" name="help-circle"></ion-icon>
    </ion-button>
  </ion-buttons>
</ion-toolbar>