Updated Perl EVENT_WAYPOINT_DEPART (markdown)

Perl-EVENT_WAYPOINT_DEPART.md

@@ -10,4 +10,19 @@ sub EVENT_WAYPOINT_DEPART {
 }
 ```
 
+### Functionality Explained
+
+EVENT_WAYPOINT_DEPART is triggered when an NPC leaves its current grid waypoint entry.  
+
+### EVENT_WAYPOINT_DEPART in use
+
+```perl
+sub EVENT_WAYPOINT_DEPART {
+
+     # Use == for numeric comparison to match grid waypoint entry "0" (the spawn point of the NPC)
+     if ($wp == 0) {
+		quest::say("And we're off!");
+	}
+}
+```
 Generated On 2018-01-15T22:07:30-08:00