@Beta
    public boolean containsCustomEventMappingFor(final String eventType) {
        if (eventType == null || eventType.isEmpty()) {
            return false;
        } else {
            return this.eventTypeToEventDataMapping.containsKey(canonicalizeEventType(eventType));
        }
    }
@ Beta public boolean containsCustomEventMappingFor ( final String eventType ) { if ( eventType == null || eventType . isEmpty ( ) ) { return false ; } else { return this . eventTypeToEventDataMapping . containsKey ( canonicalizeEventType ( eventType ) ) ; } }
Checks if an event mapping with the given eventType exists.

@param eventType the event type name.
@return true if the mapping exists, false otherwise.