[Home](./index.md) > [kibana-plugin-plugins-expressions-public](./kibana-plugin-plugins-expressions-public.md) > [Executor](./kibana-plugin-plugins-expressions-public.executor.md) > [getFunction](./kibana-plugin-plugins-expressions-public.executor.getfunction.md) ## Executor.getFunction() method Signature: ```typescript getFunction(name: string): ExpressionFunction | undefined; ``` ## Parameters | Parameter | Type | Description | | --- | --- | --- | | name | string | | Returns: `ExpressionFunction | undefined`