DocumentName Property

Immutable. Identifier. The Document resource name. The ID (name excluding the "corpora/*/documents/" prefix) can contain up to 40 characters that are lowercase alphanumeric or dashes (-). The ID cannot start or end with a dash. If the name is empty on create, a unique name will be derived from DisplayName along with a 12 character random suffix. Example: corpora/{corpus_id}/documents/my-awesome-doc-123a456b789c

public string? Name { get; set; }