def current_filter_group(self):
        item = self.filterTreeWidget.currentItem()
        group = None
        if item:
            parent = item.parent()
            if parent:
                if parent.parent():
                    group = parent.text(0)
                elif item.data(1, Qt.UserRole) == self.FilterTreeRoleGroup:
                    group = item.text(0)

        return group
:param title: ``string`` identifier for this Scheme in Splunk.
dataset/ETHPy150Open rproepp/spykeviewer/spykeviewer/ui/filter_dock.py/FilterDock.current_filter_group--crossover with--dataset/ETHPy150Open hvandenb/splunk-elasticsearch/search-elasticsearch/bin/splunklib/modularinput/scheme.py/Scheme.__init__