WebLogic Messaging API Class Library |

# Constants.MessagePropertyNames Fields

The fields of the Constants.MessagePropertyNames class are listed below. For a complete list of Constants.MessagePropertyNames class members, see the Constants.MessagePropertyNames Members topic.

#### Public Static Fields

DELIVERY_COUNT_PROPERTY_NAME | Message property key for retrieving the integer delivery count of a received message, the first delivery attempt yields the value 1. This is an optional feature of the JMS specification.
DELIVERY_TIME_PROPERTY_NAME | Key for optional delivery-time property, a WebLogic extension of the JMS specification. To set message delivery times in the JMS .NET API, add a property of type long with this name to the message, where the value is the number of milliseconds in the future in which the message will be delivered; to retrieve the delivery-time retrieve this property as a long property (as with all long properties, retrieval throws an exception if the property does not exist).
REDELIVERY_LIMIT_PROPERTY_NAME | Message property key for retrieving a received message's integer redelivery limit property, a WebLogic extension of the JMS specification. Use configuration to set the redelivery limit as per the .NET client documentation.
UNIT_OF_ORDER_PROPERTY_NAME | Key for unit-of-order property, a WebLogic extension of the JMS specification. Optionally use this name to set a string property on a message prior to sending it to enable the WebLogic unit of order extension, optionally retrieve this property name as a message string property to get the unit of order on a message (returns null if the unit of order is not set).
USER_ID_PROPERTY_NAME | Message property key for retrieving the user name of the original sender of a received message (returns null if the user name is not set). Use configuration to automatically set the user-id as per the .NET client documentation. This is an optional feature of the JMS specification.

#### See Also

Constants.MessagePropertyNames Class | WebLogic.Messaging Namespace | IMessage