Artisan is the command line interface included with Laravel. Artisan exists at the root of your application as the artisan script and provides a number of helpful commands that can assist you while you build your application. To view a list of all available Artisan commands, you may use the list command.
php artisan list
If you want to create your own artisan command. you can use the below command for that.
php artisan make:command SendEmails