# Specifying Known Failures Lists With `kfl`

The ability to specify a known failures list is enabled in the configuration editor interview, as described in Creating Reports in the Graphical User Interface User's Guide . In the user interface, if the value for "Specify a Known Failures List?" is Yes and you have specified KFLs, they become the default values, and are used when you create reports using Reports > Create New Report or using the `-writeReports` HTML report type.

The `-kfl` option enables you to change the default list of KFL files from the command line..

You can call the KFL file(s) as follows. Multiple files are separated by spaces:

    java -jar ... -kfl foo.kfl bar.kfl path/foobar.kfl -runtests

Note, because a space is a separator, file path arguments cannot contain spaces (for example, `C:\Program Files\myconfig\foobar` will not work).

See Command-Line Overview for a detailed description of the command line structure. See Formatting a Command for descriptions and examples of other command formats that you can use.

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