The reports included reports have to be of the same type, e.g. same grouping, as the column names are matched by there names.
The column name, visibility and the order of the reports can be adjusted by configuring the reports on the "Dashboard Source" row in the same way like on a normal dashboard as well as overriding variables, titles and descriptions.
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As it's not possible to combine graphical output types, the output types are restricted to "TableOutputTypeTable" and "PivotTableOutputTypePivot Table".
The report name is used as the first table row while the column names are the table header (or the other way around when pivoted.
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