1 files changed, 32 insertions, 0 deletions
diff --git a/src/DotNetOpenAuth/OpenId/Messages/IErrorMessage.cs b/src/DotNetOpenAuth/OpenId/Messages/IErrorMessage.cs
new file mode 100644
index 0000000..549b327
--- /dev/null
+++ b/src/DotNetOpenAuth/OpenId/Messages/IErrorMessage.cs
@@ -0,0 +1,32 @@
+//-----------------------------------------------------------------------
+// <copyright file="IErrorMessage.cs" company="Andrew Arnott">
+//     Copyright (c) Andrew Arnott. All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace DotNetOpenAuth.OpenId.Messages {
+	using DotNetOpenAuth.Messaging;
+
+	/// <summary>
+	/// Members found on error response messages sent from a Provider 
+	/// to a Relying Party in response to direct and indirect message
+	/// requests that result in an error.
+	/// </summary>
+	internal interface IErrorMessage : IProtocolMessage {
+		/// <summary>
+		/// Gets or sets a human-readable message indicating why the request failed. 
+		/// </summary>
+		string ErrorMessage { get; set; }
+
+		/// <summary>
+		/// Gets or sets the contact address for the administrator of the server. 
+		/// </summary>
+		/// <value>The contact address may take any form, as it is intended to be displayed to a person. </value>
+		string Contact { get; set; }
+
+		/// <summary>
+		/// Gets or sets a reference token, such as a support ticket number or a URL to a news blog, etc. 
+		/// </summary>
+		string Reference { get; set; }
+	}
+}