Notify Status is a special event trigger that allows an event to happen when the part gets hit. There is a special case for the Barrier parts that triggers when the shield is destroyed.
I updated the Wiki with a visual example of what the event would look like, hope that helps.
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On a slightly different note, there is a request I would like to ask of everyone. I just came up with a brilliant idea for a site I help maintain. The site in question is called Shoot Em Up, a Wikia dedicated to shmups.
Every month, a new YouTube video showcasing a shmup is posted, one that showcases the best of the best or at least gets the point across. I decided that June should be a Fraxy vid. So I ask you all, which 1 vid would you think do Fraxy the best justice?
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RX-12 - Bydo Coefficient Test Unit
"No, don't try and pull any fast ones. There's nothing illegal on the Internet."
"Hello extremely! I hope you like to *play*. Some *campers* are not so good for *games*. Is it time for *playing* yet?"
Asker: How do I remove the border on a GroupBox in .NET?
Answer: Use a panel instead?
Asker: Gee, thanks @$$.