> ## Documentation Index
> Fetch the complete documentation index at: https://learn.nextedy.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Reference

> The Nextedy GANTT reference section provides detailed technical specifications for every configurable parameter, property, and API surface.

export const LastReviewed = ({date}) => {
  if (!date) return null;
  const formatted = new Date(`${date}T00:00:00Z`).toLocaleDateString("en-US", {
    year: "numeric",
    month: "long",
    day: "numeric",
    timeZone: "UTC"
  });
  return <p className="mt-10 text-sm text-gray-400 dark:text-zinc-500 not-prose">
      Last reviewed on {formatted}
    </p>;
};

## Widget Parameters

Per-instance configuration applied through the Polarion widget editor.

* **[Widget Parameters](/gantt/reference/widget-parameters/index)** -- Overview of all widget parameter categories
* **[Work Items Gantt Widget Parameters](/gantt/reference/widget-parameters/work-items-gantt)** -- Dataset, hierarchy, and display parameters for the Work Items Gantt
* **[Plans Gantt Widget Parameters](/gantt/reference/widget-parameters/plans-gantt)** -- Dataset, hierarchy, and display parameters for the Plans Gantt
* **[Data Mapping Parameters](/gantt/reference/widget-parameters/data-mapping)** -- Start, end, duration, and progress field mappings
* **[Work Item Types Configuration](/gantt/reference/widget-parameters/work-item-types)** -- Project type, milestone type, and per-type settings
* **[Resource View Parameters](/gantt/reference/widget-parameters/resource-view)** -- Resource view toggle, load mode, and display options
* **[Working Calendars Parameters](/gantt/reference/widget-parameters/working-calendars)** -- Calendar toggles, year range, and cache settings
* **[Baselines Parameters](/gantt/reference/widget-parameters/baselines)** -- Baseline comparison and history settings
* **[Deadlines Parameters](/gantt/reference/widget-parameters/deadlines)** -- Deadline display, field mapping, and color
* **[Column Configuration Parameters](/gantt/reference/widget-parameters/columns)** -- Grid column type, field, and editor settings
* **[Table and Grid Configuration](/gantt/reference/widget-parameters/table-configuration)** -- Grid width, first column, and layout settings

## Configuration Properties

System-wide administration properties set in **Administration > Configuration Properties**.

* **[Configuration Properties](/gantt/reference/configuration/index)** -- Overview of all administration properties
* **[General Administration Properties](/gantt/reference/configuration/general-properties)** -- Debug, auto-scheduling, critical path, zoom widths
* **[Color and Styling Properties](/gantt/reference/configuration/color-properties)** -- Unplanned color, today marker color, progress colors
* **[Calendar and Working Hours Properties](/gantt/reference/configuration/calendar-properties)** -- Calendar project, global calendar, cache settings
* **[Team and Resource Properties](/gantt/reference/configuration/team-properties)** -- Team capacity modifiers and resource defaults
* **[Default Configuration Values](/gantt/reference/configuration/default-values)** -- Default widget parameter values for new instances

## Scripting API

JavaScript and Velocity APIs for customizing Gantt behavior.

* **[Scripting API](/gantt/reference/api/index)** -- Overview of all scripting surfaces
* **[Item Script API (Task and Work Item Objects)](/gantt/reference/api/item-script-api)** -- Server-side task decoration objects
* **[Gantt Config Script API](/gantt/reference/api/config-script-api)** -- Client-side configuration object
* **[Marker Factory API](/gantt/reference/api/markers-api)** -- Server-side marker creation
* **[Page Parameters API](/gantt/reference/api/page-parameters-api)** -- Runtime parameter access
* **[Velocity Context Variables](/gantt/reference/api/velocity-context)** -- Velocity objects available in page scripts

## Quick Lookup

Standalone reference tables for common lookups.

* **[Item Color Legend](/gantt/reference/item-color-legend)** -- Task bar color mapping by status and type
* **[Dependency Types Reference](/gantt/reference/dependency-types)** -- FS, SS, FF, SF dependency types
* **[Zoom and Scale Levels Reference](/gantt/reference/zoom-scale-levels)** -- Available timeline scale levels
* **[Toolbar Actions and Keyboard Shortcuts](/gantt/reference/keyboard-shortcuts)** -- Toolbar buttons and keyboard navigation
* **[URL Parameters Reference](/gantt/reference/url-parameters)** -- URL query parameters for Gantt control
* **[Supported Field Types](/gantt/reference/supported-field-types)** -- Polarion field types compatible with Gantt mapping
* **[Polarion Version Compatibility Matrix](/gantt/reference/compatibility-matrix)** -- Supported Polarion versions
* **[License Types and Evaluation Periods](/gantt/reference/license-types)** -- License models and evaluation terms
* **[Error Messages and Diagnostics](/gantt/reference/error-messages)** -- Error codes and resolution steps
* **[CSS Classes and DOM Structure](/gantt/reference/css-classes)** -- Stable CSS selectors for custom styling

<Tip title="Widget parameters vs. configuration properties">
  Widget parameters are set per Gantt instance on each wiki page. Configuration properties are set globally in Polarion Administration and serve as defaults for all new widget instances. Widget-level values override administration defaults.
</Tip>

<LastReviewed date="2026-02-21" />