Use the SET PROTECTION command to add entries to the  access  control
  list  of  each  specified  dictionary  directory,  subdictionary,  or
  object.

  You can also use the SET PROTECTION/EDIT command to add, delete,  and
  modify access control list entries.

  Command Syntax:

  SET PROTECTION uic-  or  rights-specification  [qualifier]  path-name
  [,path-name]...