> ## Documentation Index
> Fetch the complete documentation index at: https://docs.mindgard.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# Overview

### What are Observations?

We use observations to evaluate your application during a test. For example detecting content within the output of your LLM.

### Observations:

* [Input In Output](/user-guide/observations/input_in_output)
* [Empty Output](/user-guide/observations/empty_output)
* [LLM Error](/user-guide/observations/llm_error)
* [Decode](/user-guide/observations/decode)