# API Reference Parameter On any endpoint add the new parameter reference\_id and pass in your ID. This ID will be stored against usage records if supplied and can be used to support custom billing workflows as agreed with your account representative. --- # 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://devhub.autograb.com/nz-autograb-api-doc/other-products-and-resources/api-reference-parameter.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.