<PackageReference Include="Relativity.Import.Models.SDK" Version="1.0.7" />

Relativity.Import.V1.Builders.Rdos.IWithOverlayMode

public interface IWithOverlayMode
Provides methods to help set whether imported records should be appended or overlaid.
IWithFields WithAppendMode()

OverlayMode is set to 'Append'. This mode allows to import all records. If record identifier already exists in the workspace or it is duplicated in the data source, item error is thrown. The Overlay property is set to null.

IWithFields WithAppendOverlayMode(Func<IWithKeyField, IFinalInnerBuilder> nestedBuilderAction)

OverlayMode is set to 'AppendOverlay'. This mode allows to import new records and update existing records. If record identifier is duplicated in the data source, item error is thrown.

IWithFields WithOverlayMode(Func<IWithKeyField, IFinalInnerBuilder> nestedBuilderAction)

OverlayMode is set to 'Overlay'. This mode allows to update existing records. If record identifier does not exist in the workspace or it is duplicated in the data source, item error is thrown.