ionic 5 button in header 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>