The command extracts the internationalization (i18n) messages from your source code.
![](http://angular-awesome-components.com/wp-content/uploads/2020/02/xi18n.png)
If you do not know what to do with this you can still ask for help.
![](http://angular-awesome-components.com/wp-content/uploads/2020/02/angular-cli-help-xi18n.png)
But be sure to have at least node v 12.1 when you call it. If not you’ll be notified to update your node.
![](http://angular-awesome-components.com/wp-content/uploads/2020/02/node-cli-version-xi18n.png)