<PackageReference Include="Relativity.Server.Shared.SDK" Version="5000.2.0" />

Relativity.Shared.V1.Models.IHaveArtifactID

public interface IHaveArtifactID
Declares that the object will have an Artifact ID.
int ArtifactID { get; set; }

An Int32 that uniquely identifies the object in the current context (i.e. workspace vs. admin).