Sets a boolean value with the specified name into the Map. 
boolean
            boolean value to set in the Map | Exception Type | Condition | 
|---|---|
| MessageException | if JMS fails to write the message due to some internal error. | 
| ArgumentException | if the name is null or if the name is an empty string. | 
| MessageNotWriteableException | if the message is in read-only mode. | 
IMapMessage Interface | WebLogic.Messaging Namespace