To use the JES property information services SSI, callers must meet the following requirements:

• Prepare Subsystem Options Block Header (SSOB).
• Allocate parameter list (SSJD) and place its address in the SSOBINDV field of SSOB.
• Set parameter list eyecatcher, length and version fields. See the description below.
• Decide a request to perform and place the code in the SSJDFREQ field.
• If necessary, fill in additional options and filters in the parameter list. See the description below.
• Invoke the IEFSSREQ macro to make a call to the interface.
• Analyze the return code and data returned by the interface.