Signal-Android/app/src/main/res/navigation/kbs_migration.xml

<?xml version="1.0" encoding="utf-8"?>
<navigation xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:id="@+id/kbs_pin_migration"
    app:startDestination="@id/kbsSplashFragment">

    <fragment
        android:id="@+id/kbsSplashFragment"
        android:name="org.thoughtcrime.securesms.lock.v2.KbsSplashFragment"
        android:label="fragment_kbs_splash"
        tools:layout="@layout/kbs_splash_fragment">

        <action
            android:id="@+id/action_createKbsPin"
            app:destination="@id/create_kbs_pin"
            app:enterAnim="@anim/nav_default_enter_anim"
            app:exitAnim="@anim/nav_default_exit_anim"
            app:popEnterAnim="@anim/nav_default_pop_enter_anim"
            app:popExitAnim="@anim/nav_default_pop_exit_anim" >

            <argument
                app:argType="boolean"
                android:name="is_pin_change"
                android:defaultValue="false" />

        </action>

    </fragment>

    <include app:graph="@navigation/create_kbs_pin" />

</navigation>