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subscriber

The subscriber ZCML directive configures an :term:`subscriber` callable to listen for events broadcast by the Pyramid web framework.

Attributes

for
The class or :term:`interface` that you are subscribing the listener for, e.g. :class:`pyramid.events.NewRequest`. Registering a subscriber for a specific class or interface limits the event types that the subscriber will receive to those specified by the interface or class. Default: zope.interface.Interface (implying any event type).
handler
A :term:`dotted Python name` which references an event handler callable. The callable should accept a single argument: event. The return value of the callable is ignored.

Examples

Alternatives

You can also register an event listener by using the :meth:`pyramid.config.Configurator.add_subscriber` method.

See Also

See also :ref:`events_chapter`.