# Additional Resources Refer to these help documents for help with specific impact.com features. * [Batch Modifications and Reversals](https://help.impact.com/en/support/solutions/articles/48001236004) — You may wish to reverse or modify conversion events before they lock. For example, if an item is returned or if an order is cancelled or fraudulent, you can reverse or modify the details of the order to adjust the payout to the Partner accordingly. See also [Set Up & Submit Batch Modifications & Reversals via FTP or Email](https://help.impact.com/brand/what-would-you-like-to-learn-about/platform-features/submit-and-modify-conversion-data/batch-modify-conversion-data/submit-batch-modifications-and-reversals) or [Batch Process Reversals via API (Web Services) Overview](https://help.impact.com/support/solutions/articles/48001232216). * [Guide to Product Catalogs](https://help.impact.com/brand/what-would-you-like-to-learn-about/platform-features/product-catalogs) — A product catalog is a data feed that holds a list of your products and their metadata. Many brands will create a product catalog through their e-commerce (or shopping cart) solution, which can be exported and shared with impact.com. * [Gateway Tracking Settings](https://help.impact.com/brand/what-would-you-like-to-learn-about/account-administration/program-settings/tracking-settings/configure-gateway-tracking-settings) — The Gateway Tracking Settings page allows you to specify what happens when a customer clicks on one of your Partner or Media Source tracking links. This includes information such as the landing page that customers will be directed to, query string parameters that will be appended to the landing page URL, and the level of customization that Partners are allowed to implement through deep linking. --- # 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://integrations.impact.com/integration-guides/for-brands/tracking-integrations/javascript-tag-utt/additional-resources.md?ask= ``` 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.