diff --git a/src/Infrastructure/BotSharp.Abstraction/Functions/Models/FunctionDef.cs b/src/Infrastructure/BotSharp.Abstraction/Functions/Models/FunctionDef.cs
index 153fb473..d89620a9 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Functions/Models/FunctionDef.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Functions/Models/FunctionDef.cs
@@ -4,6 +4,7 @@ public class FunctionDef
 {
     public string Name { get; set; }
     public string Description { get; set; }
+    public string? Impact { get; set; }
     public FunctionParametersDef Parameters { get; set; } = new FunctionParametersDef();
 
     public override string ToString()
diff --git a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs
index 8f3a865e..efcb9cf9 100644
--- a/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs
+++ b/src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.cs
@@ -54,8 +54,6 @@ public partial class ConversationService : IConversationService
     public async Task<Conversation> NewConversation(Conversation sess)
     {
         var db = _services.GetRequiredService<IBotSharpRepository>();
-        var dbSettings = _services.GetRequiredService<BotSharpDatabaseSettings>();
-        var conversationSettings = _services.GetRequiredService<ConversationSetting>();
         var user = db.GetUserByExternalId(_user.Id);
         var foundUserId = user?.Id ?? string.Empty;
 
diff --git a/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs b/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs
index 4d862e7a..a1779c34 100644
--- a/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs
+++ b/src/Infrastructure/BotSharp.Core/Repository/FileRepository.cs
@@ -5,7 +5,6 @@ using BotSharp.Abstraction.Users.Models;
 using BotSharp.Abstraction.Agents.Models;
 using MongoDB.Driver;
 using BotSharp.Abstraction.Routing.Models;
-using Amazon.Util;
 
 namespace BotSharp.Core.Repository;
 
@@ -373,13 +372,7 @@ public class FileRepository : IBotSharpRepository
         var functionFile = Path.Combine(_dbSettings.FileRepository, _agentSettings.DataDir,
                                         agentId, "functions.json");
 
-        var functions = new List<string>();
-        foreach (var function in inputFunctions)
-        {
-            functions.Add(JsonSerializer.Serialize(function, _options));
-        }
-
-        var functionText = JsonSerializer.Serialize(functions, _options);
+        var functionText = JsonSerializer.Serialize(inputFunctions, _options);
         File.WriteAllText(functionFile, functionText);
     }
 
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentResponseMongoElement.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentResponseMongoElement.cs
index ee556549..26ddebbc 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentResponseMongoElement.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentResponseMongoElement.cs
@@ -2,6 +2,7 @@ using BotSharp.Abstraction.Agents.Models;
 
 namespace BotSharp.Plugin.MongoStorage.Models;
 
+[BsonIgnoreExtraElements]
 public class AgentResponseMongoElement
 {
     public string Prefix { get; set; }
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentTemplateMongoElement.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentTemplateMongoElement.cs
index 719a11d9..847ec5c9 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentTemplateMongoElement.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/AgentTemplateMongoElement.cs
@@ -2,6 +2,7 @@ using BotSharp.Abstraction.Agents.Models;
 
 namespace BotSharp.Plugin.MongoStorage.Models;
 
+[BsonIgnoreExtraElements]
 public class AgentTemplateMongoElement
 {
     public string Name { get; set; }
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs
index ec9699c0..5910661f 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/FunctionDefMongoElement.cs
@@ -3,10 +3,12 @@ using System.Text.Json;
 
 namespace BotSharp.Plugin.MongoStorage.Models;
 
+[BsonIgnoreExtraElements]
 public class FunctionDefMongoElement
 {
     public string Name { get; set; }
     public string Description { get; set; }
+    public string? Impact { get; set; }
     public FunctionParametersDefMongoElement Parameters { get; set; } = new FunctionParametersDefMongoElement();
 
     public FunctionDefMongoElement()
@@ -20,6 +22,7 @@ public class FunctionDefMongoElement
         {
             Name = function.Name,
             Description = function.Description,
+            Impact = function.Impact,
             Parameters = new FunctionParametersDefMongoElement
             {
                 Type = function.Parameters.Type,
@@ -35,6 +38,7 @@ public class FunctionDefMongoElement
         {
             Name = mongoFunction.Name,
             Description = mongoFunction.Description,
+            Impact = mongoFunction.Impact,
             Parameters = new FunctionParametersDef
             {
                 Type = mongoFunction.Parameters.Type,
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/RoutingRuleMongoElement.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/RoutingRuleMongoElement.cs
index 9f644c68..1a40b0f7 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Models/RoutingRuleMongoElement.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Models/RoutingRuleMongoElement.cs
@@ -2,6 +2,7 @@ using BotSharp.Abstraction.Routing.Models;
 
 namespace BotSharp.Plugin.MongoStorage.Models;
 
+[BsonIgnoreExtraElements]
 public class RoutingRuleMongoElement
 {
     public string Field { get; set; }
diff --git a/src/Plugins/BotSharp.Plugin.MongoStorage/Using.cs b/src/Plugins/BotSharp.Plugin.MongoStorage/Using.cs
index 5debd75f..ca13f204 100644
--- a/src/Plugins/BotSharp.Plugin.MongoStorage/Using.cs
+++ b/src/Plugins/BotSharp.Plugin.MongoStorage/Using.cs
@@ -10,4 +10,5 @@ global using BotSharp.Abstraction.Plugins;
 global using Microsoft.Extensions.Configuration;
 global using Microsoft.Extensions.DependencyInjection;
 global using MongoDB.Bson;
-global using MongoDB.Driver;
\ No newline at end of file
+global using MongoDB.Driver;
+global using MongoDB.Bson.Serialization.Attributes;
\ No newline at end of file