> For the complete documentation index, see [llms.txt](https://gdplabs.gitbook.io/glchat/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://gdplabs.gitbook.io/glchat/application-ui/how-to-guide/chat-input-and-responses/inline-highlight-pdf-from-reference.md).

# Inline Highlight PDF from Reference

This feature allows you to have an inline preview of a PDF file that serves as a reference source for an answer from the bot. Capabilities introduced in this feature include:

1. Opening a PDF file side by side without the need to move to another tab.

<figure><img src="/files/EHwINLXl6YjL7uvkb0Za" alt=""><figcaption></figcaption></figure>

2. Highlighting specific areas in the PDF based on the context used to answer the question by the bot.

<figure><img src="/files/nXDFUf9CleofuizG9NvZ" alt=""><figcaption></figcaption></figure>

3. Downloading the PDF file

<figure><img src="/files/ITJdNzX36nAfAUdIW2kO" alt=""><figcaption></figcaption></figure>