> Portal Navigation:
> 
> - Append `.md` to any URL under `https://dev.wix.com/docs/` to get its markdown version.
> - Pages are either content pages (article or reference text) or menu pages (a list of links to child pages).
> - To get a menu page, truncate any URL to a parent path and append `.md` (e.g. `https://dev.wix.com/docs/sdk.md`, `https://dev.wix.com/docs/sdk/core-modules.md`).
> - Top-level index of all portals: https://dev.wix.com/docs/llms.txt
> - Full concatenated docs: https://dev.wix.com/docs/llms-full.txt

# Method name: onOrderTransactionsUpdated(event: OrderTransactionsUpdated)

# Method package: wixEcomBackend

# Method menu location: wixEcomBackend --> onOrderTransactionsUpdated

# Method Link: https://dev.wix.com/docs/velo/events-service-plugins/e-commerce/events/on-order-transactions-updated.md

# Method Description:

Triggered when a payment or refund is added to an order, or when an existing payment is updated.


The `onOrderTransactionsUpdated()` event handler runs when a new a payment or refund is added to an order, or when an existing payment is updated. The received `OrderTransactionsUpdated` object contains information about the updated order transactions, and event metadata.

>**Note:** Backend events don't work when previewing your site.



# Method Code Examples:

*** Note: do not assume any prop names or enum values other than the ones in the example.

## onOrderTransactionsUpdated example

```javascript

  export function wixEcom_onOrderTransactionsUpdated(event) {
    const eventId = event.metadata.id
    const entityId = event.entity._id;
  }

  
```

---