AJAX Button

Hi
can someone give me an example how i can use an ajax button? Is there any documentation? What language i have to write there, php or js? What a php button does, what an ajax button does?

Thanks for any example or links to a documentation :slight_smile:

Best regards
Steve

PHP Button: Executes the PHP code, on “other” context. Similar to exit and enter the page again.
Ajax button: Executes the PHP code, using AJAX technologic. “no refreshing the page”