# LSP17 Contract Extension Package · [![npm version](https://img.shields.io/npm/v/@lukso/lsp17contractextension-contracts.svg?style=flat)](https://www.npmjs.com/package/@lukso/lsp17contractextension-contracts)

Package for the LSP17 Contract Extension

## Installation

```console
npm install @lukso/lsp17contractextension-contracts
```

## Available Constants & Types

The `@lukso/lsp17contractextension-contracts` npm package contains useful constants such as interface IDs, and ERC725Y data keys related to the LSP17 Standard. You can import and access them as follows:

```js
import {
  INTERFACE_ID_LSP17Extendable,
  INTERFACE_ID_LSP17Extension,
  LSP17DataKeys,
} from "@lukso/lsp17contractextension-contracts";
```