A constant line label displays the value of a constant line.
See Also
argumentAxis.constantLines[].label - configures the labels of individual constant lines. Overrides the properties of the argumentAxis.constantLineStyle.label object, which is described here.
commonAxisSettings.constantLineStyle.label - specifies the appearance of all constant line labels.
By default, constant line labels are displayed inside the chart plot near the constant lines they belong to. To place the labels outside the chart plot, set the position property to "outside".
verticalAlignment
Aligns constant line labels in the vertical direction.