def METHOD_NAME(self):
    groupName = self.groupName.value
    if groupName and groupName in self.arcroleGroups:
        del self.arcroleGroups[groupName]
    self.groupName.valueVar.set('')
    self.groupName["values"] = sorted(self.arcroleGroups.keys())
    for checkbox in self.checkboxes:
        checkbox.valueVar.set( False )
        checkbox.isChanged = False