Nagios Support Forum

Good morning friends,
I wanted to know, how do you create a custom icon as the image attached.

Why am I getting so "add icon" as "green ball" and wanted to customize the alert icons. How do I do?

Sorry, but we do not provide support for Nagvis as it is a 3rd party utility added into Nagios.
That being said, I did manage to find these docs which looks relevant to your situation:
http://docs.nagvis.org/1.3/en_US/extend ... nsets.html
http://docs.nagvis.org/1.4/en_US/extend ... tions.html

Nagvis support:
http://www.nagvis.org/free-support