- Entry:
- CPY4
- VIT option:
- CSM
- Event:
- IVTCSM REQUEST=COPY_DATA
- VIT processing module:
- ISTITCCS
This trace record is a continuation of the CPYB trace
record. It contains information about an entry in the target buffer
list. There is one CPY4 trace record for each entry in the target
buffer list. 
- Byte (hex)
- Contents
- 00–03
- Record ID: C"CPY4"
- 04–05
- 0
- 06
- Trace record flag:
- B'0... ....'
- Indicates that this is the last record for this event.
- B'1... ....'
- Indicates that additional records exist for this event. Use the trace record number from this entry to locate corresponding continuation records.
- 07
- Trace record number to correlate all the entries for this particular event
- 08–13
- Buffer token
- 14–17
- Access List Entry Token (ALET)
- 18–1B
- Address of the storage where data is to be copied
- 1C–1F
- Length of the storage where data is to be copied