Function

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

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

See also:

• Bar Chart
• Column Chart
• Line 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

Copy and paste an example into the INTERFACE DEFINITION in EXPRESSION MODE to see it displayed.

Single series column chart with reference lines

Use the interactive editor below to test out your code:

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.