When Usertype (byte 6) is C'X', the mapping for XCS2 is as follows:
- Byte (hex)
- Contents
- 00–03
- Record ID: C"XCS2"
- 04–05
- 0
- 06
- User type:
- C'X'
- VTAM/XCF
- 07
- 0
- 08-17
- Message token or 0
- 18-1B
- Reason code from an MVS™ IXCMSGO macroinstruction
- 1C–1F
- Return code from an MVS IXCMSGO macroinstruction