exising migration laravel code example
Example 1: add another field in existing migration laravel
php artisan make:migration add_paid_to_users_table --table=users
Example 2: laravel create model and migration
# If you would like to generate a database migration when you
# generate the model, you may use the --migration or -m option:
php artisan make:model Flight --migration
php artisan make:model Flight -m