// Create a context for the event sounds
        if (ca_context_create(&caContext) == CA_SUCCESS)
        {
            // Create Property List
            if (ca_proplist_create(&caPropList) == CA_SUCCESS)
            {
                // Set Properties
                ca_proplist_sets(caPropList, CA_PROP_APPLICATION_NAME, QN_APPLICATION_NAME);
                ca_proplist_sets(caPropList, CA_PROP_MEDIA_FILENAME, QN_VIEWER_AUDIO_FILE_PATH);
                ca_proplist_sets(caPropList, CA_PROP_MEDIA_ROLE, QN_VIEWER_AUDIIO_CONTEXT_ROLE);

                // Play Context
                ca_context_play_full(caContext, 0, caPropList, audioPlaybackDone, this);

                // Destroy Property List
                ca_proplist_destroy(caPropList);
                // reset Property List
                caPropList = NULL;
            }
        }