| 1. Uncomment the `customizations` property and edit it as follows to install the "Code Spell Checker" {% data variables.product.prodname_vscode_shortname %} extension. | |
| ```jsonc copy | |
| // Configure tool-specific properties. | |
| "customizations": { | |
| // Configure properties specific to VS Code. | |
| "vscode": { | |
| // Add the IDs of extensions you want installed when the container is created. | |
| "extensions": [ | |
| "streetsidesoftware.code-spell-checker" | |
| ] | |
| } | |
| } | |
| ``` | |
| The `devcontainer.json` file should now look similar to this, depending on which image you chose: | |