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All,
I found multiple places/components you can get event alarms, e.g., Heat, Ceilometer, Oslo, Nova etc, notification. But I fail to find any documents as to how to do it in the respective component documents.

I 'm  wondering if there is document as to if there is a single API entry point where you can subscribe and get event notification from all components, such as Nova, Neutron.

Thanks,

Qing