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# JMS Destination Key --> Configuration

Tasks Related Topics Attributes

## Overview

This tab defines general configuration attributes for a JMS destination key (queue or topic). Use destination keys to define the sort order for messages arriving on a specific destination.

## Tasks

Creating a JMS Destination Key

## Related Topics

"WebLogic JMS Fundamentals" in Programming WebLogic JMS

"Managing WebLogic JMS" in Programming WebLogic JMS

"Developing a WebLogic JMS Application" in Programming WebLogic JMS

## Attributes

Table 2-1

Attribute Label | Description | Value Constraints
--- | --- | ---
Name | The name of this JMS destination key configuration. WebLogic Server uses an MBean to implement and persist the configuration. MBean: `weblogic.management. configuration. JMSDestinationKeyMBean` Attribute: `Name` |
Sort Key | The message sort key or the name of a message header field on which to sort. Message header field keys start with the letters JMS and ignore the key type setting. Note: For better performance, use message header fields as sorting keys, rather than message sort keys. This attribute is not dynamically configurable. MBean: `weblogic.management. configuration. JMSDestinationKeyMBean` Attribute: `Property` | Valid values: JMSMessageID JMSTimestamp JMSCorrelationID JMSPriority JMSExpiration JMSType JMSRedelivered JMSDeliveryTime
Key Type | The expected property type for this destination key. This setting is ignored for message header field keys, which have an implied type MBean: `weblogic.management. configuration. JMSDestinationKeyMBean` Attribute: `KeyType` | Default: String Valid values: Boolean Byte Short Int Long Float Double String
Direction | The direction (Ascending or Descending) in which this key will sort messages. Selecting the Ascending option for the JMSMessageID property implies a FIFO (first in, first out) sort order (the default for destinations). Select the Descending option for a LIFO (last in, first out) sort order. This attribute is not dynamically configurable. MBean: `weblogic.management. configuration. JMSDestinationKeyMBean` Attribute: `Direction` | Default: Ascending Valid values: Ascending Descending