How do I add a custom event to a Service Provider?

Laravel events provide an observer implementation, allowing you to listen and observe for specific tasks happening in your application. Adding a custom event to a ServiceProvidermeans that the application will listen to it as soon as it occurs. In terms of choosing the right ServiceProviderfor the job, it breaks down into two options: a Module ServiceProvider, or any of the Providers listed under app/Providersof our shop’s root directory.
Event directory:
app/Events
Listener directory:
app/Listeners
The ServiceProviderclass has a $listenproperty, to which we simply add on the Event that we wish to add, alongside its listener.