This parameter identifies the name of the transaction processing (TP) monitor product being used. If applications are run in a CICS environment, this parameter should be set to "CICS"; if Encina Monitor is being used, this parameter should be set to "ENCINA"; if Microsoft Transaction Server is being used, this parameter should be set to "MTS"; if Java Transaction Server is being used, this parameter should be set to"JTS"; if Component Broker is being used, this parameter should be set to "CB"; if San Francisco is being used, this parameter should be set to "SF"; if BEA Tuxedo is being used, this parameter should be set to "TUXEDO"; if AT&T TopEnd is being used, this parameter should be set to "TOPEND"; if System Nu is being used, this parameter should be set to "SYSTEM_NU".
If a different product is being used in a UNIX platform, this parameter should be blank.
In OS/2 and NT environments, this parameter contains the path and name of the DLL in an external transaction manager product containing functions ax_reg and ax_unreg, if an XA Distributed Transaction Processing environment is being used. Specify "dll-name:C" for CICS, or "dll-name:E" for ENCINA. The maximum length of the string that can be specified for this parameter is 19 characters.