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Hi @panconpescao,
Try the following code snippet:
/**
* PDF Invoices & Packing Slips:
* Show a custom text after the document label for certaing shipping method IDs
*/
add_action( 'wpo_wcpdf_after_document_label', function( $document_type, $order ) {
if ( $document_type == 'invoice' ) {
// Check shipping methods
if ( ! empty( $shipping_methods = $order->get_shipping_methods() ) ) {
$first_method = array_shift( $shipping_methods );
$shipping_method_id = $first_method->get_method_id();
}if ( $shipping_method_id == 'first_shipping_id' ) {
$custom_text="bluexpress";
} elseif ( $shipping_method_id == 'second_shipping_id' ) {
$custom_text="starken";
}
if ( $custom_text ) {
echo "<div style="margin: -10pt 0 10pt 0">$custom_text</div>";
}
}
}, 10, 2 );
If you haven’t worked with code snippets (actions/filters) or functions.php before, read this guide: How to use code snippets
Please note that you have to replace first_shipping_id and second_shipping_id with the actual shipping method IDs.