1.2.3.4.4 Parameter(s)

I/O
Area contains the segment to be added
AIB
Specifies the AIB for the call. This parameter is an input and output parameter. These fields must be initialized in the AIB:
AIBID Eye catcher.
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 DB PCB.
AIBOALEN I/O area length.
This field must contain the length of the I/O area specified in the call list
SSA
Contains a series of qualified/unqualified SSA to establish the position of the segment being inserted, the lowest-level SSA (i.e. the SSA at the level of the segment being inserted) must be unqualified. An unqualified SSA is satisfied with the first occurrence of the segment type.
RSA
Specifies the area in your program where the RSA should be returned by DL/I.