ion-toolbar | Ionic Documentation

• slot=”primary” 사용

<ion-header>
  <ion-toolbar>
    <ion-title class="Title">
        생체정보
    </ion-title>
    <ion-button slot="primary" class="notification">
      <img src="/assets/images/notice.svg" alt="알림">
    </ion-button>
  </ion-toolbar>
</ion-header>