public Object getEventData(String type, Object key) {
        if (eventsData != null) {
            Map<Object, Object> row = eventsData.get(type);
            if (row != null) {
                return row.get(key);
            }
        }
        return null;
    }
used internally return and event data

@param type the type of data
@param key the key
@return the pre-existing object, or null
jme3-core/src/main/java/com/jme3/cinematic/Cinematic.java