How to correctly release the sending of a letter / notification (notification) for a user who has logged in?

Question

Laravel

Tell me how in Laravel to correctly implement sending a letter / notification (notification) for a user who has logged in. I will be grateful who will tell step by step.

Answer 1

The topic is not the most trivial, but you first need to read about the concept of an event dispatcher in the life cycle of a request ( mediator pattern - real life example ) and how they are implemented in Laravel - Laravel events
Then, separately about authentication events