nameand identical names are compared, their order will be determined by the
agecolumn. If the ages are also identical the
birth_datecolumn will determine the order. The
matchDirproperty tells the plugin whether the secondary sorting should match the direction of the primary column (i.e ascending/descending), or not.
Shift+Clickto build his own sorting logic in real time. To disable this option set
true. The request will then contain a
multiSortarray, if applicable.