PlainValidationResultItemFieldName - свойство

Name of object's attribute associated with the message, or null if no such object is provided. If message describes exception, then property returns exception's type name.

public string? FieldName { get; set; }

Public Property FieldName As String
	Get
	Set

public:
property String^ FieldName {
	String^ get ();
	void set (String^ value);
}

member FieldName : string with get, set