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

# Headers Collection

> The "Headers Collection" rule can be used to add span attributes by collecting HTTP Headers data.

<Info>
  This Instrumentation Rule is currently only available with the Odigos **Enterprise** plan.<br />
  [Contact us](https://odigos.io/) for more information.
</Info>