Output structure from client exit

The following table shows the structure (one occurrence per message) of the message returned by the user-written client application exit routine. The table lists the field name, the length of the field, and a brief explanation of the field.

Table 1. Message structure returned by user-written IMS Connect client application exit routine
Field Length Meaning
BPE header 64 bytes Defined in BPE header format.
OTMA structure Total length of OTMA header For more information about the HWSOMPFX macro (full OTMA structure) see, Macros that support IMS Connect exit routines.
LLZZTRANCODEDATA n bytes
  • LL - length of segment
  • ZZ - set to binary zeros
  • TRANCODE - IMS 1-8 byte transaction code
  • DATA - user data
LLZZDATA

The LLZZDATA is repeated to a maximum of 32 KB overall length. If there is more data, then the structures continues as shown in Other IMS Connect structures. Only the first segment will contain the IMS transaction code and the following segment will contain the segment data necessary for the transaction to process.

 n bytes
  • LL - length of segment
  • ZZ - set to binary zeros
  • DATA - user data
LL 2 bytes LL - set to binary zeros to denote the end of this structure. The LL field is not part of the segment length.