OptionalAlignText alignment.
Display label for the column header.
Internal field name used by DHTMLX (e.g. 'text', 'start_date', 'duration').
OptionalResizeAllow the user to drag the column border. Default follows the chart EnableColumnResize input.
OptionalTemplateCustom template function for cell rendering. Receives the DHTMLX task object.
OptionalTreeShow as tree column (with expand/collapse). Only one column should be tree.
OptionalWidthColumn width in pixels. Use '*' for flex when the grid is not independently scrollable.
Defines a column in the Gantt grid (left side).