Routing Messages With Wild Cards · ActiveMQ Artemis Documentation

# Routing Messages With Wild Cards

Apache ActiveMQ Artemis allows the routing of messages via wildcard addresses.

If a queue is created with an address of say `queue.news.#` then it will receive any messages sent to addresses that match this, for instance `queue.news.europe` or `queue.news.usa` or `queue.news.usa.sport`. If you create a consumer on this queue, this allows a consumer to consume messages which are sent to a hierarchy of addresses.

> Note

> In JMS terminology this allows "topic hierarchies" to be created.

To enable this functionality set the property `wild-card-routing-enabled` in the `broker.xml` file to `true`. This is `true` by default.

For more information on the wild card syntax take a look at wildcard syntax chapter, also see the topic hierarchy example in the examples.

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