I am trying to change the source of an item in the menu

Question

I’m making a burger menu and I want to change the font to one I’m using in the Android project. I tried to create a new style and put in the item, but I could not.

Follow the xml from the menu

<group android:checkableBehavior="single">

    <item
        android:id="@+id/nav_home"
        android:icon="@drawable/ic_home"
        android:title="@string/inicio" />
    <item
        android:id="@+id/nav_perfil"
        android:icon="@drawable/ic_user"
        android:title="@string/perfil" />
    <item
        android:id="@+id/nav_conf"
        android:icon="@drawable/ic_settings"
        android:title="@string/conf" />
    <item
        android:id="@+id/nav_pp"
        android:icon="@drawable/ic_shield"
        android:title="@string/pp" />
    <item
        android:id="@+id/nav_sobre"
        android:icon="@drawable/ic_info"
        android:title="@string/sobre" />
    <item
        android:id="@+id/nav_feedb"
        android:icon="@drawable/ic_feedback"
        android:title="@string/feedback" />

</group>