betamos/Node-Growler — pull request #2 by stjohnjohnson (2013-09-25 07:10:01+00:00)
Title: Adding support for URL Callbacks

I know it's been a while, but I found that you're missing the support for URL callbacks (on-click events). It's just as simple as adding another header.

See the [[Growl guide][http://growl.info/documentation/developer/gntp.php#urlcallbacks]] for more information