PathEndingCondition missing?

http://www.arongranberg.com/astar/docs/_ending_condition_8cs-example.php

Assets/EndingCondition.cs(27,24): error CS0246: The type or namespace name `PathEndingCondition’ could not be found. Are you missing a using directive or an assembly reference?

I used the above script but PathEndingCondition class couldnt be found at all. Is it a pro feature?

Sorry for the late answer. Are you sure you are including the pathfinding namespace.

`using Pathfinding;

…`