WooCommerce order and WooCommerce Custom Fields plugin plus Events Tickets Plus

I am trying to add the data from the Woocommerce Custom Fields plugin to an excel spreadsheet that is exported via the Events Tickets Plus plugin by Tribe.

So far, using the following code, I have managed to add columns to the spreadsheet that not only add the first name and last name columns to the spreadsheet but also bring over the value of the columns from the order.
I have also managed to add the columns for relationship_to_child and emergency_medical but, I am stuck when it comes to adding the data from the rightpress plugin. I tried adding a “get” to the beginning of the custom fields but this did not work.

According to rightpress the Checkout fields are as follows:

                               |    Meta Value         |    Location
— — — — — — — — — — — — — — — —|— — — — — — — — — — — —|— — — — — — — — — — — — — — — — — — 
                               |                       |
    _wccf_cf_{key}             |    field value        |    in order meta
                               |                       |
    _wccf_cf_id_{key}          |    field id           |    in order meta
                               |                       |
    _wccf_cf_data_{key}        |    extra data array   |    in order meta
                               |                       |
    _wccf_file_{access_key}    |    file data          |    in order meta
                               |                       |

Here is the code

add_action( 'tribe_events_tickets_generate_filtered_attendees_list', 'tribe_export_custom_set_up' );
function tribe_export_custom_set_up ( $event_id ) {
    //Add Handler for Community Tickets to Prevent Notices in Exports

    if ( ! is_admin() ) {
        $screen_base = 'tribe_events_page_tickets-attendees';

    } else {
        $screen      = get_current_screen();
        $screen_base = $screen->base;
    }
    $filter_name = "manage_{$screen_base}_columns";

    add_filter( $filter_name, 'tribe_export_custom_add_columns', 100 );
    add_filter   ( 'tribe_events_tickets_attendees_table_column', 'tribe_export_custom_populate_columns', 10, 3 );
}

function tribe_export_custom_add_columns ( $columns ) {
    $columns['wc_first_name'] = 'First Name';
    $columns['wc_last_name'] = 'Last Name';
    $columns['_wccf_cf_id_emergency_medical'] = 'Consent Emergency Medical';
    $columns['_wccf_cf_id_relationship_to_child'] = 'Relationship to Child';

    return $columns;
}

function tribe_export_custom_populate_columns ( $value, $item, $column )         {

    $order = new WC_Order( $item['order_id'] );

    $firstname = utf8_decode($order->get_billing_first_name());
    $lastname = utf8_decode($order->get_billing_last_name()); 
    $emergencymedical = utf8_decode($order->_wccf_cf_emergency_medical);
    $relationshiptochild = utf8_decode($order->_wccf_cf_relationship_to_child);

    if ( isset($order) ) {

        switch ($column) {
            case 'wc_first_name':
                $value = $firstname;
            break;
            case 'wc_last_name':
                $value = $lastname;
                break;  
            case '_wccf_cf_emergency_medical':
                $value = $emergencymedical;
                break;
            case '_wccf_cf_relationship_to_child':
                $value = $relationshiptochild;
            break;      
        }
    } else {
        $value = '-';
    }
    return $value;
}

Is anyone able to help me?