> For the complete documentation index, see [llms.txt](https://hyperflow.sygnal.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://hyperflow.sygnal.com/core/logging.md).

# Logging

Hyperflow 2.0 supports Posthog logging so that you can determine who is using the various Hyperflow services pages. 

Each service can individually log its activity to a single defined Posthog account.

{% hint style="success" %}
This is configured in environment variables as POSTHOG\_API\_KEY and is the public-facing Posthog ingest ID that begins with `phc_` 
{% endhint %}