Как добавить две строки в exporterPdfHeader Угловая сетка

Question

Я использую Angular UI Grid, и я попытался показать заголовок с двумя строками в верхней части документа PDF, который экспортируется.

exporterPdfHeader: function (currentPage, pageCount) {
                return [{
                    margin: [25, 10, 30, 50],
                    alignment: 'center',
                    rows:[2],
                    columns: [
                        //{
                        //    image: 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',
                        //    width: 90
                        //},
                        //{
                        //    text: { text: 'Task Status List', fontSize: 15, bold: true, alignment: 'center' },
                        //    width: 550
                        //},
                        {
                            row:0,
                            margin: [25, 10, 30, 50],
                            table: {
                                widths: ['*', '*', '*'],
                                body: [
                                    //['<tr><td> January</td><td>$100</td></tr><tr><td>February</td><td>$80</td></tr>'],
                                    ['District #: 2 Route #: 2 Week Ending Date: 2']//,
                                   // ['District #: 2 Route #: 2 Week Ending Date: 2']
                                ]
                            }
                        },
                        {
                            row: 1,
                            margin: [25, 10, 30, 50],
                            table: {
                                widths: ['*', '*', '*'],
                                body: [
                                    //['<tr><td> January</td><td>$100</td></tr><tr><td>February</td><td>$80</td></tr>'],
                                    ['District #: 3 Route #: 3 Week Ending Date: 3']//,
                                    //['District #: 2 Route #: 2 Week Ending Date: 2']
                                ]
                            }
                        }
                    ]
                }];
            },

Как вы можете видеть, блоки идут параллельнозаголовок, но мне нужно это в два ряда.как я могу это сделать?