Yes. It's possible. I have done this [SI4T-elasticsearch][1] deployer storage extension based on SI4T framework and did present in the TDS, refer to this [article][2].


  [1]: https://github.com/avmgan/SI4T-elasticsearch
  [2]: https://community.sdl.com/product-groups/sdl-tridion-dx/tridion-sites/tridion-developer/b/feed/posts/tds-event-presentation-si4t-based-elasticsearch-integration-for-sdl-tridion-web-8-with-dxa-2-0

I hope it helps