Is there an extensions that will email a developer if a Exception occurs?

Is there an extensions that will email a developer if a Exception occurs?

Do you know such tool? If not, how can this be made.

There is email logger, you can route exception log to this component.

… and see here for the category you have to configure in the logroute:

http://www.yiiframework.com/doc/guide/1.1/en/topics.error#message-logging