Unifaun - Declarant Date

functions.php

<?php
/**
 * @snippet       WooCommerce -Unifaun - Set Customs declarantDate to todays Date 
 * @author        Redlight Media AB / Christopher Hedqvist
 * @compatible    WooCommerce 3.9.0
 */
function redlight_unifaun_customs_date( $customsDeclaration, $shipment, $order_id) {
    $customsDeclaration['declarantDate'] = date('Y-m-d');
    
    return $customsDeclaration;
}
add_filter('ac_wc_unifaun_shipment_customs_declaration', 'redlight_unifaun_customs_date', 10, 3 );