<PackageReference Include="Relativity.Import.Models.SDK" Version="1.0.8" />

Relativity.Import.V1.Models.Settings.OverlayMode

public enum OverlayMode
Enum of Overlay Modes.
Append = 1

Import all records. If record identifier already exists in the workspace or it is duplicated in the data source, item error is thrown.

Import new records and update existing records. If record identifier is duplicated in the data source, item error is thrown.

Overlay = 2

Update existing records. If record identifier does not exist in the workspace or it is duplicated in the data source, item error is thrown.

Unknown = 0

Not defined.