This describes the general interface for a pin style objectAn object literal containing placement instructions for point-based labels. All properties are optional.
A pin is a connecting line between the label and the anchor point of the label. If the position of the label changes, so will the pin change position as well.
The color of the pin. It must be a valid CSS color string.
The location of where the pin should attach to the label.
The color of the halo. It must be a valid CSS color string.
The width of the halo in pixels.
The width of the pin in pixels.