### [wpforms_square_process_get_payment_args_single](https://wpforms.com/developers/wpforms_square_process_get_payment_args_single/) **Published:** September 30, 2025 **Author:** Umair Majeed **Content:** ## Description The `wpforms_square_process_get_payment_args_single` filter lets you modify the Square single-payment request arguments before they are sent. You can use it to inject dynamic data, run Smart Tags in the payment note, or adjust metadata. Use this filter to run WPForms Smart Tags inside the Square note field so your transaction detail in Square can include form values. The Square `note` field is limited to 500 characters, so trim your output accordingly. parametertypedescription`$args`arraySquare single payment arguments. Common keys include `amount_money`, `customer_id`, and `note`.`$process`ProcessThe Square Process instance for the current submission. Provides access to `$process->form_data` and `$process->fields`.## Source `wpforms\src\Integrations\Square\Process.php` ## Example ``` // Process Smart Tags in the Square payment note and trim to 500 chars. function wpf_dev_square_single_payment_args( $args, $process ) { if ( isset( $args['note'] ) ) { $note = apply_filters( 'wpforms_process_smart_tags', $args['note'], $process->form_data, $process->fields, 0 ); $args['note'] = wp_html_excerpt( $note, 500 ); } return $args; } add_filter( 'wpforms_square_process_get_payment_args_single', 'wpf_dev_square_single_payment_args', 10, 2 ); ``` ## Reference Article - [Sending the Form Field Smart Tag to Square with WPFoms](https://wpforms.com/developers/how-to-send-the-email-address-to-square-with-wpfoms/) **Categories:** Filters Hooks ---