---
description: Document the tasks a reader must complete or the conditions they must meet before they can follow the steps on a page.
title: Prerequisites
image: https://developers.cloudflare.com/og-docs.png
---

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> Documentation Index  
> Fetch the complete documentation index at: https://developers.cloudflare.com/style-guide/llms.txt  
> Use this file to discover all available pages before exploring further.

# Prerequisites

Last updated Aug 24, 2026|Copy as Markdown|[View as Markdown](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/style-guide/documentation-content-strategy/component-attributes/prerequisites/index.md)|[Agent setup](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/agent-setup/)

## Definition

Tasks that must be completed or conditions that must be met before a user can complete the steps on a page.

## When to use it

Use prerequisites in [how-to](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/style-guide/documentation-content-strategy/content-types/how-to/) and [tutorial](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/style-guide/documentation-content-strategy/content-types/tutorial/) pages, before the first step.

## Structure

Write prerequisites as a bulleted list. If there is only one prerequisite task or condition, summarize it in a single sentence instead of a list.

## Example

```md
Before you begin, make sure that you have:

- A Cloudflare account with your domain added.
- An API token scoped to that domain.
- Node.js 18 or later installed locally.
```

## Related

For how to format the list itself, refer to [Lists](https://docs-durable-objects-instance-replaced-errors.previews.developers.cloudflare.com/style-guide/style-and-grammar/formatting/structure/lists/).

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