# Features

- [Prefill Form Fields (query strings)](https://docs.paymentpageplugin.com/features/prefill-form-fields-query-strings.md): This section covers how to prefill form fields on your payment page using query string parameters.
- [Form Actions on Submit](https://docs.paymentpageplugin.com/features/form-actions-on-submit.md)
- [Confirmation Email](https://docs.paymentpageplugin.com/features/form-actions-on-submit/confirmation-email.md): Send confirmation emails when payments are completed.
- [Redirect](https://docs.paymentpageplugin.com/features/form-actions-on-submit/redirect.md): Redirect users to another page when payments are completed.
- [Dynamic Message](https://docs.paymentpageplugin.com/features/form-actions-on-submit/dynamic-message.md): Display a Dynamic Confirmation message when customers finish making payment.
- [HTTP Requests](https://docs.paymentpageplugin.com/features/form-actions-on-submit/http-requests.md): Send data to an external URL when the form fields are submitted.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://docs.paymentpageplugin.com/features.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

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.