{% data reusables.copilot.code-review.custom-coding-guidelines-prerequisites %}

When using {% data variables.copilot.copilot_code-review_short %} to review changes in {% data variables.product.prodname_vscode %} or the {% data variables.product.github %} website, you can customize {% data variables.product.prodname_copilot_short %}'s review with custom coding guidelines written in natural language. {% data variables.product.prodname_copilot_short %} will give feedback based on your coding guidelines when it reviews your code. For more information, see [AUTOTITLE](/copilot/using-github-copilot/code-review/configuring-coding-guidelines).

Comments generated based on a coding guideline will include a message, highlighting their source.