- Entry:
- XCFC
- VIT option:
- XCF
- Event:
- A message from another XCF member is saved or a saved message is processed.
- VIT processing module:
- ISTITCXF
- Control is returned to:
- ISTTSCMX or ISTTSCDX
The XCFC trace record is written when VTAM® cannot immediately receive a message from
another VTAM because of a resource
shortage or when VTAM is processing
a previously saved message. 
- Byte (hex)
- Contents
- 00–03
- Record ID: C"XCFC"
- 04
- ID is the primary address space ID (ASID). This field is 0 if the ASID is greater than X'FF'.
- 05–06
- 0
- 07
- Request code:
- C"D"
- VTAM has discarded the received message.
- C"Q"
- VTAM has sent a query to determine how many saved messages exist.
- C"R"
- VTAM is redelivering a saved message to the message exit.
- C"S"
- VTAM’s first attempt to receive a message failed, so the message has been saved.
- 08–17
- Original message token value
- 18–19
- 0
- 1A–1B
- Number of entries if Request Code=C'Q'; otherwise 0.
- 1C–1F
- Request parameter header (RPH) address