> For the complete documentation index, see [llms.txt](https://docs.iotify.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.iotify.io/getting-started/analyze-the-results/logs.md).

# Logs

Logs provide a way to understand how your tests are working and also a way to see critical information for specific clients at different iterations. You can `console.log()` or `console.error()` in your tests and log critical information for the clients.

![](/files/FbgYQwMO2kunnftnX7GW)

You can easily find the logs for a particular device and see the logs at every iteration. Along with the user logs, system logs are for each iteration are also captured and displayed here.

{% hint style="info" %}
Double-tap any of the logs to pretty-print the logs for that iteration. 
{% endhint %}