Defines the table type name that this tree will be displaying.
        
        :param      tableTypeName | <str>

def setTableTypeName(self, tableTypeName):
        """
        Defines the table type name that this tree will be displaying.
        
        :param      tableTypeName | <str>
        """
        self._tableTypeName = tableTypeName
        if ( not Orb ):
            return
        
        self.setTableType(Orb.instance().model(nativestring(tableTypeName)))