The Line object represents a limit line indicating a threshold or event. The line can be horizontal or vertical.
ID
Type: String
Description: The string id of this line.
Value
Type: Real
Description: value at which this line should be drawn. If it is a horizontal line then this is a Y value, if it is a vertical line then it is an X value.
Color
Type: String
Description: The line color.
Orientation
Type: String (valid values are "Horizontal", "Vertical")
Description: The orientation of the line