# @babel/plugin-syntax-optional-chaining > Allow parsing of optional properties See our website [@babel/plugin-syntax-optional-chaining](https://babeljs.io/docs/en/next/babel-plugin-syntax-optional-chaining.html) for more information. ## Install Using npm: ```sh npm install --save-dev @babel/plugin-syntax-optional-chaining ``` or using yarn: ```sh yarn add @babel/plugin-syntax-optional-chaining --dev ```