Fields

Name	Type	Description
callSign	VesselStringPropertyChange	The change in values of the callsign property.
class	VesselStringPropertyChange	The change in values of the class property.
destination	VesselStringPropertyChange	The change in values of the destination property.
draught	VesselFloatPropertyChange	The change in values of the draught property.
eta	VesselDateTimePropertyChange	The change in values of the eta property.
imo	VesselStringPropertyChange	The change in values of the imo property.
name	VesselStringPropertyChange	The change in values of the name property.
size	VesselIntPropertyChange	The change in values of the size property.
timestamp	DateTime	The date and time in which the property change occurred.
vesseld	ObjectId	The unique Windward assigned ID of the vessel whose properties changed.