Perform third-party RACF® authorization checking, using the standard form, for a data set residing on the volume pointed to by register 8, to allow READ access only for a user. Register 7 points to the data set name, and A is an 8-byte declared field padded with blanks.

RACROUTE REQUEST=AUTH,ENTITY=((R7)),WORKA=RACWK,      X
         VOLSER=(R8),CLASS='DATASET',ATTR=READ,       X
         USERID=A
   ⋮
RACWK    DS   CL512