setDataLabelStyle([font[, fontHeight[, fontColor[, fontAngle]]]])

Enable data labels and set their styles.

Argument	Default	Description
font	""	The font used to draw the labels.
fontSize	8	The font size used to draw the labels.
fontColor	TextColor	The color used to draw the labels.
fontAngle	0	Set the rotation of the font.

A TextBox object that represents the prototype of the data labels. You may use the methods of this object to fine-tune the appearance of the data labels.