> For the complete documentation index, see [llms.txt](https://docs.cybersim.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.cybersim.io/applications-and-categories/untitled.md).

# Adding a Rule from a Flow

From the flow details page, it’s possible to click on the plus sign beside the flow SNI, DNS or HTTP host to easily create a rule to associate such host to a particular application or category.

![](/files/-M37M9GS3h6JZJtEaqmY)

![Add host rule](/files/-M37MHXfgKElk_p_-7wj)


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# Agent Instructions
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## 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.cybersim.io/applications-and-categories/untitled.md?ask=<question>
```

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.