Added link to simple-customdata example from ActivityTriggered documentation. (#61)

Author: d-stahl-ericsson

eiffel-vocabulary/EiffelActivityTriggeredEvent.md

@@ -42,4 +42,5 @@ __Legal values:__ MANUAL, SEMI_AUTOMATED, AUTOMATED, OTHER
 __Description:__ The type of execution (often related to, but ultimately separate from, __data.trigger.type__).
 
 ## Examples
-* [Simple example](../examples/events/EiffelActivityTriggeredEvent/simple.json)
+* [Simple example](../examples/events/EiffelActivityTriggeredEvent/simple.json)
+* [Example containing custom data](../examples/events/EiffelActivityTriggeredEvent/simple-customdata.json)