Train your extractor using the point-and-click interface to select your desired data. The following example will demonstrate how you can navigate in the editor view to add columns and select data for those columns.
Click on the Add column button. The floating window will appear for this column to help view the data points for this column.
Select the Data
Hover your mouse over the desired data until the pointer changes to a green "+" icon and the data point is surrounded by a pink outline box. Click to select the data point. You'll then see that the data point is now surrounded by a green outline box as a new row in the floating window.
Select Multiple Data Points
Repeat the point-and-click process to add multiple data points for the same column.
Remove Data Points
To unselect data points, hover over the data. A red "-" icon will then appear and simply click to unselect this data point from the column.
Use the Clear data button in the floating window to unselect all data for that column.
Select the Undo or Redo button to undo/redo your most recent action.