Create Alert on custom Metric in Grid

Question

I'm relatively inexperienced with Grid Control so please forgive me if this is a repeat question (since my keyword search didn't result in anything useful).
I would like to set up a custom alert in Grid Control that will alert me when a specific clustered database experiences application waits on either a specified amount of sessions or higher and/or for a certain amount of time or longer. I cannot find any standard metrics that would fit the bill and I am baffled on how to add my own metrics. It would seem that this is trivial as I can see a historical graph of the application waits the database is experiencing under the performance tab, but I would like to get an alert so I don't have to stare at the graph all the time.
Hopefully this is easy and I'm just horrible with picking the proper search phrase. Sending me to a correct article/thread/note or stepping me through this would be great.
Thanks,
John

Answer 1

You can create User defined metrics.
Follow these steps:
Click on the targets -> database --> click the database what you want --> all metrics --> User-Defined Metrics --> create.
You enter the SQL what you want to execute for notifications and set the frequency and other steps.
Then, you need to include this metric in your notification metrics list. preferences --> rule --> select name + edit --> metrics --> add the new notification which you have created by selecting User defined metric.