api-docs/docs/node-tracker/markdown/node-tracker.buildecommercetransaction.md
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[Home](./index.md) > [@snowplow/node-tracker](./node-tracker.md) > [buildEcommerceTransaction](./node-tracker.buildecommercetransaction.md)
## buildEcommerceTransaction() function
Build an Ecommerce Transaction Event Allows for tracking common ecommerce events, this event is usually used when a consumer completes a transaction.
<b>Signature:</b>
```typescript
declare function buildEcommerceTransaction(event: EcommerceTransactionEvent): PayloadBuilder;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| event | EcommerceTransactionEvent | Contains the properties for the Ecommerce Transactoion event |
<b>Returns:</b>
PayloadBuilder
PayloadBuilder to be sent to