---
title: Catalog data
slug: obcf0333
canonical_url: https://docs.coveo.com/en/obcf0333/
collection: glossary
source_format: adoc
---
# Catalog data
{doctitle} refers to the structured [metadata](https://docs.coveo.com/en/218/) that defines [catalog objects](https://docs.coveo.com/en/ncig0154/) (products, [variants](https://docs.coveo.com/en/mc7f0326/), and [availabilities](https://docs.coveo.com/en/mc7e9096/)) within a [source](https://docs.coveo.com/en/246/).
This data must be formatted in a JSON structure and is used in the payload of stream and update operations via the Push API.