# Introduction
Welcome to Search Help for the CABI Digital Library (CDL).
In this help file you can find a detailed description on how to search [CABI Digital Library](https://www.cabidigitallibrary.org/), in particular for our main databases [CAB Abstracts](https://www.cabidigitallibrary.org/product/ca) and [Global Health](https://www.cabidigitallibrary.org/product/he).
This guide describes end-user searches, search queries, parameters, Boolean operators and wildcards to support more advanced searching.
CABI Digital Library uses the Literatum search engine from Atypon with some adaptations for CABI’s database and full text content profile.
To export this help file as a PDF, click the menu next to any page title. From here you can export a specific page or all help information in one go.
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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://help.cabi.org/cabi-digital-library-help/introduction.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.