OptionalborderOptional border on the line that is used to improve the contrast of the line color against various background colors.
OptionalcolorThe color of the line.
OptionalsizeThe width of the line in points.
OptionaltransparencyA value between 100 (full transparency) and 0 (full opacity).
The type of the callout. A callout of type line connects an offset symbol or label with its location.
Callout configuration for a symbol.