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Working with Z Data Tools
Enhancing Z Data Tools processing
You can enhance normal processing of a number of Z Data Tools tasks by supplying a procedure that runs in conjunction with the Z Data Tools process.
Which tasks can be enhanced
You can supply a procedure with DFSORT or REXX statements to enhance normal Z Data Tools processing according to your own requirements.

Working with Z Data Tools
- Z Data Tools overview
- Getting started with Z Data Tools
- Viewing and changing data sets
  To view data stored in a supported data set, use the View Utility or the Edit Utility.
- Creating and editing templates
  For many tasks performed with Z Data Tools, you can manipulate your view of a data set by applying a template.
- Working with the Template List
  Display a list of templates and perform actions on them.
- Filtering records with templates
- Managing data sets
- Using Z Data Tools utilities
- Tape Specific Functions
- Disk/VSAM Data Functions
- OAM Functions
- Using UNIX™ System Services and the Hierarchical File System
- Introduction to programming with Z Data Tools functions
- Enhancing Z Data Tools processing
  You can enhance normal processing of a number of Z Data Tools tasks by supplying a procedure that runs in conjunction with the Z Data Tools process.
  - Why enhance Z Data Tools processing?
    Enhanced processing allows end users to easily perform tasks that would otherwise need to be done by skilled application programmers, and to concentrate on business results rather than data processing problems.
  - Which tasks can be enhanced
    You can supply a procedure with DFSORT or REXX statements to enhance normal Z Data Tools processing according to your own requirements.
  - Choosing the right function to enhance
    With enhanced processing it can be unclear which function or panel to invoke for a particular task, and what combination of template, DFSORT and REXX (or FASTREXX) processing is best to use.
  - Creating and supplying a procedure
  - How enhanced processing works
  - REXX and DFSORT Examples
  - Examples of tasks that can be performed easily using FASTREXX
- Redefines criteria
  Redefines criteria can be specified for a field with a REDEFINES clause, or a field that is the target of a REDEFINES clause.
- Enhanced ISPF: Reference List, Search, Change, and PDSE Workbench
  Z Data Tools provides several enhancements to the basic facilities that are available in an ISPF session: Enhanced Reference List, Enhanced Search, Enhanced Change, and PDSE Workbench.
- Z Data Tools Service Provider for z/OS® Connect Enterprise Edition
  Z Data Tools Service Provider for IBM® z/OS® Connect Enterprise Edition enables client applications to access IBM Z data sources using z/OS Connect.
- Function and panel reference lists

Which tasks can be enhanced

You can supply a procedure with DFSORT or REXX statements to enhance normal Z Data Tools processing according to your own requirements.

Table 1. Situations in which you can supply an enhanced procedure
This table has three columns.
When performing this task…	REXX	DFSORT
Copying data with the Copy Utility (option 3.3) or DSC function	✓	✓^¹
Editing a data set with the DSEB function (not available in panels)^²	✓
Printing data with the Print Utility (option 3.2) or DSP function	✓	✓^¹
Updating records in a data set with the DSU function (not available in panels)^²	✓
Finding or changing data with the Find/Change Utility (option 3.6) or FCH function	✓

¹ DFSORT cannot be used on a PDS or PDSE.

² You must supply REXX statements with the DSEB and DSU functions. In other situations, this is optional.