Function

a!chartReferenceLine( label, value, showWhen, color, style )

Contains the reference line value for each threshold that is defined on a column, bar, line, or area chart.

Parameters

Name	Keyword	Types	Description
Label	label	Text	Text to display on top of the reference line.
Value	value	Decimal	The numeric value at which the reference line will be drawn.
Visibility	showWhen	Boolean	Determines whether the reference line is displayed on the interface. When set to false, the reference line is hidden and is not evaluated. Default: true.
Color	color	Text	Color for the reference line. Valid values: Any valid hex color or "ACCENT", "BLUEGRAY", "GREEN", "GOLD", "ORANGE", "PURPLE", "RED","SKYBLUE", "LIMEGREEN", "YELLOW", "AMBER", "PINK", and "VIOLETRED".
Style	style	Text	Style of the reference line. Valid values are: "SOLID", "DOT", "DASH" (default), "DASHDOT", "SHORTDASH".

Usage considerations

Displaying reference lines

• Reference lines will not display if used in a chart when the yAxisStyle is set to "NONE".

Examples

This example demonstrate how to configure a chart using categories and series. For examples on using record data, see Chart Configuration Using Record Data.

Single series column chart with reference lines

Use the interactive editor below to test out your code:

Feature compatibility

The table below lists this component's compatibility with various features in Appian.

Feature	Compatibility	Note
Portals	Compatible
Offline Mobile	Compatible
Sync-Time Custom Record Fields	Compatible	Can be used to create a custom record field that only evaluates at sync time.
Real-Time Custom Record Fields	Incompatible
Process Reports	Incompatible	You cannot use this function to configure a process report.
Process Events	Incompatible	You cannot use this function to configure a process event node, such as a start event or timer event.

Related Patterns

The following patterns include usage of the Chart Reference Line Component.

• Use a Filter to Adjust Chart Reference Lines (Filtering, Charts): Using a dropdown, filter the results of a data set while also adjusting a chart reference line.