<ReactImageVideoLightbox
  data={[
    {
      url: "https://placekitten.com/450/300",
      type: "photo",
      altTag: "some image",
    },
    {
      url: "https://www.youtube.com/embed/ScMzIvxBSi4",
      type: "video",
      title: "some video",
    },
    {
      url: "https://placekitten.com/550/500",
      type: "photo",
      altTag: "some other image",
    },
    {
      url: "https://www.youtube.com/embed/ScMzIvxBSi4",
      type: "video",
      title: "some other video",
    },
  ]}
  startIndex={0}
  showResourceCount={true}
  onCloseCallback={this.callbackFunction}
  onNavigationCallback={(currentIndex) =>
    console.log(`Current index: ${currentIndex}`)
  }
/>