# How to use the Testnet/Presearch engine First head to {% embed url="" %} click the P\_ *with the magnifying glass and drag it all the way over to the left -* that will be your default provider (i would suggest moving the other *P\_* over as well just to the right of the P\_ with the magnifying glass) ![](/files/-MUVjFlSUlYejty2kO7w) Then you're good to go! Enjoy searching on test-net or the Presearch engine! --- # 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.presearch.io/presearch-engine/faq/default-providers.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.