Authorize.net SIM module not passing invoice num

'x_invoice_num' => ' ',

What do I put in the ' ' to allow for the invoice number to be passed.

C

There is no invoice number generated by Zen Cart until AFTER the payment is completed. That's why it's passed blank.

But if you want to GUESS the order-number that will be assigned, you can add the following 2-part code:

1. Above the line where the array starts ... ie: above this line $submit_data_core = array(
   Add this:

    $last_order_id = $db->Execute("select orders_id from " . TABLE_ORDERS . " order by orders_id desc limit 1");
    $new_order_id = $last_order_id->fields['orders_id'];
    $new_order_id = ($new_order_id + 1);
    // add randomized suffix to order id to produce uniqueness ... since it's unwise to submit the same order-number twice to authorize.net
    $new_order_id = (string)$new_order_id . '-' . zen_create_random_value(6, 'chars');

2. Then change:

'x_invoice_num' => ' ',
```to:```
'x_invoice_num' => $new_order_id,
```