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Gets the custom subtotal function field setting of a PivotCell object.
ConsolidationFunction CustomSubtotalFunction { get; }
ReadOnly Property CustomSubtotalFunction As ConsolidationFunction
IPivotValueCell valueCell = pivotTable.PivotValueCell(0, 0);
IPivotCell pivotCell = valueCell.PivotCell;
ConsolidationFunction function = pivotCell.CustomSubtotalFunction;