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A camera alarm configuration is a configuration of an existing alarm for a specific camera. If you just create an alarm, it won’t do anything until you add it to a camera. When you do that, the condition of that specific alarm will be evaluated for this specific camera at regular intervals (as explained in the // TODO core concepts).
There are two preconditions that must be met for this, though: For one, you need to create and configure one or more alarms in your partner account, for which you have to be of level superuser or admin, with general camera permission. And for the other, you need a camera that is under active monitoring (i.e. has a schedule and has its status set to “operating”. Alarms will not be evaluated for cameras that are not under active monitoring! You can still add them to these cameras, but they won’t be doing anything.
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There are two options for adding an alarm to a camera: One is to apply the alarms default peripheral pattern, which will add it to all cameras matching the pattern (see // TODO core concepts and alarm configuration). The other is to add the alarm to the camera manually in the camera configuration page, where you will see an alarm box below the table configuration:
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How to configure specific alarm actions is documented // TODO in its own section.