Record a few more additional values for subscriptions.

INSTALL.txt

@@ -60,6 +60,10 @@ Installation
      one (1) and twelve (12) months.
       - Interval (1 to 365)
       - unit (days or months)
+     With subscriptions, you may also want to include (hidden) fields for
+     'subscriptionId', 'customerProfileId', and 'customerPaymentProfileId'.
+     These values are returned from Auth.net and may be useful for customers
+     or admins in the future.
 
    * As the last field in the Webform, add a hidden field 'Transaction ID'.
      Select 'Transaction ID' as the Authorize.net key to map to. The transaction

authorizenetwebform.module

@@ -348,7 +348,12 @@ function authorizenetwebform_webform_client_form_submit($form, &$form_state) {
   //dpm($response_array);
 
   if ($response_array['messages']['resultCode'] == 'Ok') {
-    drupal_set_message(t('Your payment has been processed, thank you.'));
+    $text = t('Your payment has been processed, thank you.');
+    if (array_key_exists('subscriptionId', $response_array)) {
+      $id = $response_array['subscriptionId'];
+      $text .= ' ' . t('Your subscription ID is @id', array('@id' => $id));
+    }
+    drupal_set_message($text);
   }
 
   elseif ($response_array['messages']['resultCode'] == 'Error') {