9.3.2.2.8 fixed.txid
Specifies the name of the field, JMS property, or system value that contains the txid used to uniquely identify transactions. This value must increment for each transaction.
                  
fixed.txid={field_name|$jms_property|*txid}
For most cases using the system value of *txid is preferred.
                  
For example:
fixed.txid=$JMSTxId fixed.txid=*txid
Parent topic: Fixed Parser Properties