A string referring to the value of a point on an EventSensor. For contact closures and relays this object is either 'Open' or 'Closed'. For temperature and humidity point classes, this object is the string representation of the esPointValueInt object. For temperature, 'C' or 'F' is including in the string to indicate scale. For analog inputs, this object is the string representation of the plus/minus input in the configured units appended with the unit name.