WooCommerce Paytrace - Add Discretionary data field to the request

wc-paytrace-request-discretionary-data-field

add_filter( 'wc_paytrace_transaction_request', 'prefix_filter_paytrace_transaction_request', 10, 5 );
/**
 * @param array    $request_parameters
 * @param WC_Order $order                The order to be charged
 * @param float    $amount               Amount to be charged
 * @param bool     $is_subscription      Is this a subscription
 * @param bool     $is_paid_with_profile Is this a profile payment(true) or new card is used(false)
 *
 * @return array
 */
function prefix_filter_paytrace_transaction_request( $request_parameters, $order, $amount, $is_subscription, $is_paid_with_profile ) {
	// To add a parameter just add the key => value to the $request_parameters
	
	/**
	 * IMPORTANT: Adding the Discretionary Data depends on the integration you use.
	 *
	 * Remove the parts that you do not use
	 */
	
	//********************************************
	
	// Start: POST API Integration
	
	// If the parameter is submitted from the checkout page
	$request_parameters['name of the Discretionary Data Field'] = wc_clean( $_POST['name_of_the_account_number_field'] );
	
	// If the parameter is saved to the order
	$request_parameters['name of the Discretionary Data Field'] = wc_clean( $order->get_meta( 'name_of_the_account_number_meta_field', true ) );
	
	// END: POST API Integration
	
	//********************************************
	
	// Start: JSON API Integration
	
	// If the parameter is submitted from the checkout page
	$request_parameters['discretionary_data']['name of the Discretionary Data Field'] = wc_clean( $_POST['name_of_the_account_number_field'] );
	
	// If the parameter is saved to the order
	$request_parameters['discretionary_data']['name of the Discretionary Data Field'] = wc_clean( $order->get_meta( 'name_of_the_account_number_meta_field', true ) );
	
	// END: JSON API Integration
	
	//********************************************
	
	return $request_parameters;
}