Use
The test case attributes contain organizational (e.g. tested components) and technical (e.g. test case type) information. All attributes can be used as test case selection criteria (e.g. in the Test Workbench).
Functions
There are four groups of test case attributes:
Management data

It should start with the transaction code of the transaction to be tested for test modules (transaction test case). This helps you to find test modules to use in test procedures (business process test case).
General data
Restrictions
CATT-specific