The rows.selection.add() method adds the specified row to the row selection in the JavaScript Scheduler component.
DayPilot.Scheduler.rows.selection.add(row)row (DayPilot.Row) - the row to be added to the selection
dp.rows.selection.add(row);DayPilot.Scheduler.rows.selection.clear()
DayPilot.Scheduler.rows.selection.get()
DayPilot.Scheduler.rows.selection.isSelected()
DayPilot.Scheduler.rows.selection.remove()
DayPilot.Scheduler.selectedRows
Row Selecting [doc.daypilot.org]