Implementar metadados padrão usando o JavaScript 2.x implement-standard-metadata-on-javascript

_onVideoLoad = function () {
    //Create the Media Object
    var mediaInfo =
      MediaHeartbeat.createMediaObject(<MEDIA_NAME>,
                                       <MEDIA_ID,
                                       <MEDIA_LENGTH>,
                                       <STREAM_TYPE>,
                                       <MEDIA_TYPE>);

    //Set standard Video Metadata
    var standardMediaMetadata = {};
    standardMediaMetadata[MediaHeartbeat.VideoMetadataKeys.SHOW] = "Sample Show";
    standardMediaMetadata[MediaHeartbeat.VideoMetadataKeys.SEASON] = "Sample Season";
    standardMediaMetadata[MediaHeartbeat.VideoMetadataKeys.EPISODE] = "Sample Episode";

    //Set standard Audio Metadata
    var standardMediaMetadata = {};
    standardMediaMetadata[MediaHeartbeat.AudioMetadataKeys.ARTIST] = "Sample Artist";
    standardMediaMetadata[MediaHeartbeat.AudioMetadataKeys.ALBUM] = "Sample Album";
    standardMediaMetadata[MediaHeartbeat.AudioMetadataKeys.LABEL] = "Sample Label";

    mediaInfo.setValue(MediaObjectKey.StandardMediaMetadata, standardMediaMetadata);
    this._mediaHeartbeat.trackSessionStart(mediaInfo, contextData);
};