---
title: "Add metadata"
sidebarTitle: "Overview"
description: "Tracing can be augmented and customized by adding Metadata. Metadata includes your own custom attributes, user ids, session ids, prompt templates, and more."
---

<Columns cols={2}>
<Card title="Add Attributes, Metadata, Users" href="/docs/phoenix/tracing/how-to-tracing/add-metadata/customize-spans" icon="tags" horizontal>
Learn how to add custom metadata and attributes to your traces
</Card>
<Card title="Instrument Prompt Templates and Prompt Variables" href="/docs/phoenix/tracing/how-to-tracing/add-metadata/instrumenting-prompt-templates-and-prompt-variables" icon="file-code" horizontal>
Learn how to define custom prompt templates and variables in your tracing.
</Card>
</Columns>

