Any attributes you specify on the same DD statement with the following parameters override the corresponding attributes obtained from the model data set.

• AVGREC (record request and space quantity)
• DSNTYPE (type, PDS, PDSE, basic format, extended format, large format, or HFS)
• KEYLEN (key length)
• KEYOFF (key offset)
• LRECL (record length)
• RECORG (record organization) or RECFM (record format)
• SPACE (average record length, primary, secondary, and directory quantity)