This is slightly more cumbersome than the Web interface but may still be useful in some circumstances. Full control over event categories and filters is possible. When in effect the online facility is unavailable. The string supplied to the qualifier may comprise four comma-separated components. Only the first is manadatory.
Stated order is essential.
It will probably be necessary to enclose the complete string in quotation marks. This is the number representing the enabled categories for that report and can be used for those same categories from the command line.