[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [AnyExpressionFunctionDefinition](./kibana-plugin-plugins-expressions-public.anyexpressionfunctiondefinition.md) ## AnyExpressionFunctionDefinition type Type to capture every possible expression function definition. Signature: ```typescript export declare type AnyExpressionFunctionDefinition = ExpressionFunctionDefinition, any>; ```