Block drop change example

Can somebody give me a example how to change the block drop please.

 

Try detecting a BlockBreakEvent and then setting drop with $event->setDrops.
Check here for more informations.

 

Thanks but can you give me a example please

 

PHP:

public function onBreak(BlockBreakEvent $e){

$block = $e->getBlock();

if($block->getID() === WishBlockID){
$event->setDrops(array(WishDrops));

}


} 

More info here