[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [ExpressionAstNode](./kibana-plugin-plugins-expressions-public.expressionastnode.md) ## ExpressionAstNode type Signature: ```typescript export declare type ExpressionAstNode = ExpressionAstExpression | ExpressionAstFunction | ExpressionAstArgument; ```