A sub-report is a Report Definition report that provides some or all of its results to a Report Definition report that invokes it.The sub-report does not change in any way, and can still be accessed directly as a report in its own right.

Users can designate sub-reports within Report Definition reports to simplify assembling data from several classes, or to satisfy complex conditions.

For example, the requirements for a report might state: "For each operator, show task information (ID, label, status, last update) for the last work item they updated within a given work type." A way to accomplish this would be:

1. Build a sub-report that retrieves the most recent (MAX) update date by update operator within the work type.
2. Build the main report to select the task information for all work items.
3. Within the main report reference the sub-report, matching the update operator and the update date columns in the two reports.
4. Display data about the work items that satisfy the criteria for both reports.

Version 5.5 (List View and Summary View) reports cannot serve as sub-reports.

About report definition rules

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