VSAM RLS log stream specification - Key = '801F'
DALLGST specifies the prefix of the name of the log stream for the SMS managed VSAM data set.
Example: To specify a Log Stream prefix of 'SSAB1234.NEW',
code:
KEY # LEN PARM
801F 0001 000C E2 E2 C1 C2 F1 F2 F3 F4 4B D5 C5 E6