LegendBox.addKey2

Adds a custom entry to the legend box with a given legend entry priority.

See LegendBox for more information on legend entry priority system.

Argument	Default	Description
pos	(Mandatory)	The legend entry priority
text	(Mandatory)	The text of the legend entry.
color	(Mandatory)	The icon color of the legend entry.
lineWidth	0	The line width for legend entry that represents lines in line charts.
drawarea	[Null]	A DrawArea containing the data symbol represents the legend entry. This is primarily used for legend entries in line charts with data symbols, or in scatter charts.