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4545## Create a custom output style
4646
47A custom output style is a Markdown file: frontmatter for metadata, then the instructions to add to the system prompt.
47A custom output style is a Markdown file: frontmatter for metadata, then the instructions to add to the system prompt. In the VS Code extension, you can also create the file from the [**Output styles** menu](/docs/en/vs-code#use-the-prompt-box) rather than writing it by hand. This requires Claude Code v2.1.261 or later.
4848
4949<Steps>
5050 <Step title="Create a Markdown file">