From 57c5573b11d7b5cac73878b320922c0df3c0b10d Mon Sep 17 00:00:00 2001
From: Jicheng Lu <103353@smsassist.com>
Date: Sun, 15 Oct 2023 23:21:40 -0500
Subject: [PATCH] minor change in FunctionDefMongoElement

---
 .../Models/FunctionDefMongoElement.cs                           | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs
index d9943577..ec9699c0 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs
@@ -38,7 +38,7 @@ public class FunctionDefMongoElement
             Parameters = new FunctionParametersDef
             {
                 Type = mongoFunction.Parameters.Type,
-                Properties = JsonSerializer.Deserialize<JsonDocument>(mongoFunction.Parameters.Properties),
+                Properties = JsonSerializer.Deserialize<JsonDocument>(mongoFunction.Parameters.Properties.IfNullOrEmptyAs("{}")),
                 Required = mongoFunction.Parameters.Required,
             }
         };