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# Configuring a Topic Name

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A JMS topic identifies a publish/subscribe destination for a JMS server. JMS users who wish to share messages subscribe to the same JMS topic.

The topic name you configure is the name that TopLink uses to look up the `javax.jms.Topic` instance from the JNDI service. You must provide a fully qualified JNDI name, such as `jms/<``topic_name``>`.

All the members of the same JMS coordinated cache must use the same JMS topic.