DDNDDNAM specifies the ddname of the resource to be allocated. It is required for dynamic allocation by ddname.
When you code DDNDDNAM, # must be one, LEN contains the length of the ddname, up to a maximum of 8, and PARM contains the ddname.
KEY # LEN PARM
0001 0001 0006 E2 E8 E2 D3 C9 C2