# Events

### <mark style="color:purple;">Added To Payment Queue</mark>

Fires after using the "Purchase Product" action if the transaction was added to the queue.

***

### <mark style="color:purple;">Failed To Add To Payment Queue</mark>

Fires after using the "Purchase Product" action if the transaction was not added to the queue.

***

### <mark style="color:purple;">Transactions Updated</mark>

Fires periodically as the user progresses through the purchase.


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# Agent Instructions: Querying This Documentation

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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
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```

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Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.