<PackageReference Include="Relativity.API" Version="17.0.4" />

IChoiceAddLinkVisibilityRule

An object rule to control whether users can add or deleted choices for fields.
bool AllowAdd { get; set; }

Determines if the Add link appears for single- or multi-choice fields.

bool AllowDelete { get; set; }

Determines if users can Delete/Mass Delete choices.

bool AllowRename { get; set; }

Determines if users have the ability to rename choices.

int SelectedFieldID { get; set; }

The artifact ID of the field the choice rule affects.