value

This value is measured on xc:value-axis.

category

This value is measured on xc:category-axis.

width

Sets the bar width for data point (applies only to bar chart).

caption

Defines the caption for the current data point.

caption-color

Sets the color for the caption.

caption-placement

Sets the placement for the caption. The available values are "outside-end", "center", "inside-end", "inside-base", and the default value is "auto".