[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [ExpressionFunction](./kibana-plugin-plugins-expressions-public.expressionfunction.md) > [help](./kibana-plugin-plugins-expressions-public.expressionfunction.help.md) ## ExpressionFunction.help property A short help text. Signature: ```typescript help: string; ```