To play with ECL directly. You need to use `Tridion.ExternalContentLibrary.V2`
Get the below mentioned required Dlls from your Tridion InstallatioN

- Tridion.ExternalContentLibrary.V2.dll
- Tridion.ExternalContentLibrary.dll
- Tridion.ExternalContentLibrary.Service.Client.dll

[Documentation of ECL API][3]


  [1]: https://docs.sdl.com/LiveContent/content/en-US/SDL%20Tridion%20Connector%20for%20Media%20Manager-v2/GUID-B15BF9A2-0F55-485D-89C2-56FB870FE70F
  [2]: https://i.sstatic.net/xXPzI.png
  [3]: https://sdl.dist.sdlmedia.com/Distributions/?o=B5AD0AAD-A276-4734-9D6D-A000EC8F1EB1