# Including the Message Sender

Within a message, EMS can supply the user name given by the message producer when a connection is created. The `sender_name` and `sender_name_enforced` server properties on the destination determine whether the message producer’s user name is included in the sent message.

When a user name is included in a message, a message consumer can retrieve that user name by getting the string message property named `JMS_TIBCO_SENDER`.

When the `sender_name` property is enabled and the `sender_name_enforced` property is not enabled on a destination, message producers can specify that the user name is to be left out of the message. Message producers can specify the `JMS_TIBCO_DISABLE_SENDER` boolean property for a particular message, and the message producer’s user name will not be included in the message. However, if the `sender_name_enforced` property is enabled, the `JMS_TIBCO_DISABLE_SENDER` property is ignored and the user name is always included in the message.

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