Register a subscriber
A factory used to create the subscriber instance.
This should be a list of interfaces or classes
A callable object that handles events.
Make the subscriber a locatable subscriber
Located subscribers should be used if a non-public permission is used.
This subscriber is only available, if the principal has this permission.
This attribute specifies the interface the adapter instance must provide.
Make the subscriber a trusted subscriber
Trusted subscribers have unfettered access to the objects they adapt. If asked to adapt security-proxied objects, then, rather than getting an unproxied subscriber of security-proxied objects, you get a security-proxied subscriber of unproxied objects.
* = required