AddSliceProvider.xml

<provider
        android:name=".MySliceProvider"
        android:authorities="com.boncuk.slicesdemo"
        android:exported="true">
    <intent-filter>
        <action android:name="android.intent.action.VIEW"/>

        <category android:name="android.app.slice.category.SLICE"/>

        <data
                android:host="boncuk.com"
                android:pathPrefix="/"
                android:scheme="http"/>
    </intent-filter>
</provider>