[x ] I have verified there are no duplicate active or recent bugs, questions, or requests.
[x ] I have verified that I am using the latest version of AppUpdater.
[x ] I have given my issue a non-generic title.
[x ] I have read over the README, Wiki and FAQs (before asking questions on how to do something).
How do you customize the notification?
Change title,
Change content,
Change button text,
Show no notification for no update
and more buttons.