[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [ReactExpressionRendererProps](./kibana-plugin-plugins-expressions-public.reactexpressionrendererprops.md) > [className](./kibana-plugin-plugins-expressions-public.reactexpressionrendererprops.classname.md) ## ReactExpressionRendererProps.className property Signature: ```typescript className?: string; ```