extjs6 pivot by aggregate列无法正常工作

Question

在我的extjs6数据透视网格中，如何按聚合列自动排序？我试着把方向放在聚合部分而没有运气。有什么建议吗？

我想按totalPL

排序

                                    title: 'Portfolio',
                                xtype: 'pivotgrid',
                                itemId: 'pivotGridId',
                                cls: 'custom-gridPivot2',
                                //ui: 'featuredpanel-framed',
                                matrix: {
                                    viewLayoutType: 'outline'
                                },
                                startRowGroupsCollapsed: false,
                                multiSelect: true,
                                enableLocking: false,
                                viewConfig: {
                                    trackOver: true,
                                    stripeRows: true
                                },
                                bind: {
                                    store: '{myDailyAttributionBreakdownStore}'
                                },
                                aggregate: [{
                                    dataIndex: 'totalPL',
                                    header: 'TotalP&L',
                                    aggregator: 'sum',
                                    renderer: 'renderFormatCurrency',
                                    align: 'right',
                                    width: 100,
                                    direction: 'ASC'
                                }],
                                leftAxis: [
                                    {
                                        width: 75,
                                        dataIndex: 'sector',
                                        header: 'Sector'
                                    },
                                    {
                                        width: 100,
                                        dataIndex: 'shortDesc',
                                        header: 'Market'
                                    }
                                ],
                                topAxis: [
                                ]