> **Warning** > > ## THIS IS AN AUTOGENERATED FILE. DO NOT EDIT. > > ## Please edit the corresponding file in [/packages/mermaid/src/docs/config/setup/config/functions/addDirective.md](../../../../../packages/mermaid/src/docs/config/setup/config/functions/addDirective.md). [**mermaid**](../../README.md) --- # Function: addDirective() > **addDirective**(`directive`): `void` Defined in: [packages/mermaid/src/config.ts:188](https://github.com/mermaid-js/mermaid/blob/master/packages/mermaid/src/config.ts#L188) Pushes in a directive to the configuration ## Parameters ### directive [`MermaidConfig`](../../mermaid/interfaces/MermaidConfig.md) The directive to push in ## Returns `void`