<PackageReference Include="Relativity.Processing.SDK" Version="13.29.310" />

Relativity.Processing.V1.Services.Interfaces.DTOs.DiscoveredFileSelection

DTO that represents a selection of discovered files, either by file IDs or by expression
public string Expression { get; set; }

Specifies the expression use to create the expression filter.

public long[] FileIds { get; set; }

List of file ids

public int WorkspaceArtifactID { get; set; }

The Artifact ID of the workspace.