1.2.2.5.4 Parameter(s)

I/O PCB
Pointer to the PCB that represents the destination of the outgoing message destination name is a string that represents the name of another transaction (service).
AIB
Specifies the application interface block (AIB) that is used for the call. This parameter is an input and output parameter. The following fields must be initialized in the AIB:
AIBID Eyecatcher.
This 8-byte field must contain DFSAIBbb.
AIBLEN AIB lengths.
This field must contain the actual length of the AIB that the application program obtained.
AIBRSNM1 Resource name.
This 8-byte, left-justified field must contain the name of a modifiable alternate PCB.
AIBOALEN I/O area length.
This field must contain the length of the I/O area that is specified in the call list