How can i change **JMS\_IBM\_MQMD\_Format: MQHRF2** to **JMS\_IBM\_MQMD\_Format: MQSTR** in WebsphereMQ Message?

I need JMS\_IBM\_MQMD\_Format: MQSTR

i got output like:

```
JMSMessage class: jms_text
  JMSType:          null
  JMSDeliveryMode:  2
  JMSExpiration:    0
  JMSPriority:      4
  JMSMessageID:     ID:010203040506070801020304050607080102030405060708
  JMSTimestamp:     1365655482749
  JMSCorrelationID: null
  JMSDestination:   queue:///MYQUEUE?mdMessageContext=1&mdWriteEnabled=true
  JMSReplyTo:       null
  JMSRedelivered:   false
    JMSXAppID: WebSphere MQ Client for Java
    JMSXDeliveryCount: 1
    JMSXUserID:             
    JMS_IBM_Character_Set: UTF-8
    JMS_IBM_Encoding: 273
    JMS_IBM_Format: MQSTR   
    JMS_IBM_MQMD_AccountingToken: 0000000000000000000000000000000000000000000000000000000000000000
    JMS_IBM_MQMD_ApplIdentityData:                                 
    JMS_IBM_MQMD_ApplOriginData:     
    JMS_IBM_MQMD_BackoutCount: 0
    JMS_IBM_MQMD_CodedCharSetId: 1208
    JMS_IBM_MQMD_CorrelId: 000000000000000000000000000000000000000000000000
    JMS_IBM_MQMD_Encoding: 273
    JMS_IBM_MQMD_Expiry: -1
    JMS_IBM_MQMD_Feedback: 0
    JMS_IBM_MQMD_Format: MQHRF2  
    JMS_IBM_MQMD_GroupId: 000000000000000000000000000000000000000000000000
    JMS_IBM_MQMD_MsgFlags: 0
    JMS_IBM_MQMD_MsgId: 010203040506070801020304050607080102030405060708
    JMS_IBM_MQMD_MsgSeqNumber: 1
    JMS_IBM_MQMD_MsgType: 8
    JMS_IBM_MQMD_Offset: 0
    JMS_IBM_MQMD_OriginalLength: -1
    JMS_IBM_MQMD_Persistence: 1
    JMS_IBM_MQMD_Priority: 4
    JMS_IBM_MQMD_PutApplName: WebSphere MQ Client for Java
    JMS_IBM_MQMD_PutApplType: 28
    JMS_IBM_MQMD_PutDate: 20130411
    JMS_IBM_MQMD_PutTime: 04444315
    JMS_IBM_MQMD_ReplyToQ:                                                 
    JMS_IBM_MQMD_ReplyToQMgr: MYQM                                            
    JMS_IBM_MQMD_Report: 0
    JMS_IBM_MQMD_UserIdentifier:             
    JMS_IBM_MsgType: 8
    JMS_IBM_PutApplType: 28
    JMS_IBM_PutDate: 20130411
    JMS_IBM_PutTime: 04444315

```

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