[Home](./index.md) > [@jsamr/counter-style](./counter-style.md) > [CounterStyleRenderer](./counter-style.counterstylerenderer.md) > [withPrefix](./counter-style.counterstylerenderer.withprefix.md) ## CounterStyleRenderer.withPrefix() method Create a new renderer which replaces or removes this renderer prefix. See [CSS Counter Styles Level 3, Symbols before the marker: the prefix descriptor](https://www.w3.org/TR/css-counter-styles-3/#counter-style-prefix). Signature: ```typescript withPrefix(prefix: string | null): CounterStyleRenderer; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | prefix | string \| null | A prefix, or null to remove this renderer suffix. | Returns: [CounterStyleRenderer](./counter-style.counterstylerenderer.md)