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Customizing File Manager IMS™ Component
Customizing the operating environment for FM/IMS
Customizing IMS™ to support the use of dynamic PSBs
If you plan to use dynamic PSBs to access databases, you might have to declare the dynamic PSBs and provide a DOPT ACBLIB data set.
Declaring the dynamic PSBs
If you do not plan to use dynamic PSBs to access databases in BMP mode, or dynamic resource definition for MODBLKS resources is enabled and you plan to use the IMS Data Definition utility to generate dynamic PSBs, declaring the dynamic PSBs is not required.

Customizing File Manager IMS™ Component
- Preparing to customize FM/IMS
- Customizing the operating environment for FM/IMS
  - Modifying the ISPF environment
  - Customizing IMS™ to support the use of dynamic PSBs
    If you plan to use dynamic PSBs to access databases, you might have to declare the dynamic PSBs and provide a DOPT ACBLIB data set.
    - Declaring the dynamic PSBs
      If you do not plan to use dynamic PSBs to access databases in BMP mode, or dynamic resource definition for MODBLKS resources is enabled and you plan to use the IMS Data Definition utility to generate dynamic PSBs, declaring the dynamic PSBs is not required.
    - Providing a DOPT ACBLIB data set
      If you plan to use the IMS Data Definition utility to generate dynamic PSBs, or ACBs are managed by your installation (ACBMGMT=ACBLIB) and you do not plan to use dynamic PSBs to access databases in BMP mode, a DOPT ACBLIB data set is not required.
- Customizing FM/IMS
- Customizing the FM/IMS security environment
- Customizing the File Manager audit facility for IMS™ component
- Customizing FM/IMS for national languages
  You can customize FM/IMS for national languages other than English.
- Verifying the customization of FM/IMS

Declaring the dynamic PSBs

If you do not plan to use dynamic PSBs to access databases in BMP mode, or dynamic resource definition for MODBLKS resources is enabled and you plan to use the IMS Data Definition utility to generate dynamic PSBs, declaring the dynamic PSBs is not required.

Otherwise, you must include in the system definition an APPLCTN macro statement for each dynamic PSB name used by FM/IMS functions when run in BMP mode.