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Determining the User Catalog for the PSO Interface

The high-level qualifier of the prefix specified in the PSOPREF parameter determines the system catalog in which the data sets created by CA XCOM Data Transport's PSO interface are to be cataloged. If a user catalog alias has not been created for this high‑level qualifier, the data sets are cataloged in the system's master catalog. Aside from being undesirable in most cases, this requires MSTRCATU=YES to be specified in the CA XCOM Data Transport Default Options Table.

You can create a user catalog for the CA XCOM Data Transport PSO interface data sets by using the DEFINE USERCATALOG command under TSO or the IDCAMS batch utility program. When this user catalog has been created, you can use the DEFINE ALIAS command to establish the PSOPREF high-level qualifier as an alias for that user catalog. CA XCOM Data Transport's PSO data sets are then be cataloged in the user catalog.

For example, assume that the user catalog CATALOG.XCOM has been created for the CA XCOM Data Transport PSO data sets. To establish the high‑level qualifier XCOMPSO as an alias for that user catalog, use the following DEFINE ALIAS command:

DEFINE ALIAS(NAME('XCOMPSO')RELATE('CATALOG.XCOM'))