rename uploaded filenames

<?php
new GW_Rename_Uploaded_Files( array(
    'form_id' => 4,
    'field_id' => 5,
    'template' => '{Name (Voornaam):1.3}-{Name (Achternaam):1.6}-resume-{Vacature ID:8}-{filename}'
) );

new GW_Rename_Uploaded_Files( array(
    'form_id' => 4,
    'field_id' => 6,
    'template' => '{Name (Voornaam):1.3}-{Name (Achternaam):1.6}-motivation-{Vacature ID:8}-{filename}'
) );