A constant line label displays the value of a constant line.
The commonAxisSettings.constantLineStyle.label object, which is described here, specifies common settings for all constant line labels in the chart. To configure the labels of those constant lines that belong to a particular axis, use the following objects.
To configure the labels of individual constant lines use the following objects.
Individual settings override axis-specific settings which, in their turn, override common settings.
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 option to "outside".
RelativePosition enum to specify this option when the widget is used as an ASP.NET MVC 5 Control or a DevExtreme-Based ASP.NET Core Control. This enum accepts the following values: