direct_messages_nav_graph.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/direct_messages_nav_graph"
    app:startDestination="@id/directMessagesFragment">

    <fragment
        android:id="@+id/directMessagesFragment"
        android:name="org.futo.circles.feature.direct.tab.DMFragment"
        android:label="@string/direct_messages"
        tools:layout="@layout/fragment_direct_messages">
        <action
            android:id="@+id/to_room_requests"
            app:destination="@id/room_requests_nav_graph">

            <argument
                android:name="type"
                android:defaultValue="Group"
                app:argType="org.futo.circles.core.model.CircleRoomTypeArg"
                app:nullable="false" />

        </action>
        <action
            android:id="@+id/to_DMTimelineDialogFragment"
            app:destination="@id/DMTimelineDialogFragment">

            <argument
                android:name="roomId"
                app:argType="string"
                app:nullable="false" />

        </action>
    </fragment>

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

    <dialog
        android:id="@+id/DMTimelineDialogFragment"
        android:name="org.futo.circles.feature.direct.timeline.DMTimelineDialogFragment"
        tools:layout="@layout/dialog_fragment_dm_timeline">

        <argument
            android:name="roomId"
            app:argType="string"
            app:nullable="false" />

    </dialog>

</navigation>