<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def getInitialArguments(self):
 """ Return the constructor arguments required for the JavaScript client class, Mantissa.ScrollTable.ScrollTable. @return: a 3-tuple of:: - The unicode attribute ID of my current sort column - A list of dictionaries with 'name' and 'type' keys which are strings describing the name and type of all the columns in this table. - A bool indicating whether the sort direction is initially ascending. """

        ic = IColumn(self.currentSortColumn)
        return [ic.attributeID.decode('ascii'),
                self._getColumnList(),
                self.isAscending]