[Home](./index.md) > [@apextoaster/js-utils](./js-utils.md) > [NotImplementedError](./js-utils.notimplementederror.md) ## NotImplementedError class Error indicating that a function has not been implemented yet. Signature: ```typescript export declare class NotImplementedError extends BaseError ``` Extends: BaseError ## Constructors | Constructor | Modifiers | Description | | --- | --- | --- | | [(constructor)(msg, nested)](./js-utils.notimplementederror._constructor_.md) | | Constructs a new instance of the NotImplementedError class |