What is $event in modules?

[Orkun]

What is the $event variable/parameter in the Helloworld.module?

What does the $event?

How does it work?

Are there php classes which describes $event?

What are all these things doing?

$event

$event->arguments[0]

$event->object

Im sorry if this is a nooby question

[LostKobrakai]

$event is the HookEvent object, that's passed into each hooked function. It holds all the information needed about the hooked function, arguments, objects, return values and so on.

[kongondo]

Hooks...

http://processwire.com/api/hooks/

[bernhard]

You can also do a var_dump($event); die(); in the module to see its content

or use $event->return or $event->arguments if $event alone does not work