Type the DDDEF name for the SYSLIB for load modules in the SMP/E USERMOD.
This is the DDDEF name to be used as the SYSLIB for the load modules in the SMP/E USERMOD. The DDDEF must exist in the target zone that has ISPF installed. The data set in the DDDEF entry must have record format U and LRECL 0 with a block size equal to or greater than 6144.