diff --git a/src/Infrastructure/BotSharp.Abstraction/Files/Models/InstructFileModel.cs b/src/Infrastructure/BotSharp.Abstraction/Files/Models/InstructFileModel.cs
index 4d04a2fc7..76de57d68 100644
--- a/src/Infrastructure/BotSharp.Abstraction/Files/Models/InstructFileModel.cs
+++ b/src/Infrastructure/BotSharp.Abstraction/Files/Models/InstructFileModel.cs
@@ -22,4 +22,17 @@ public class InstructFileModel : FileBase
     [JsonPropertyName("content_type")]
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public string? ContentType { get; set; }
+
+    public override string ToString()
+    {
+        if (!string.IsNullOrEmpty(FileUrl))
+        {
+            return FileUrl;
+        }
+        else if (!string.IsNullOrEmpty(FileData))
+        {
+            return FileData.SubstringMax(20);
+        }
+        return string.Empty; 
+    }
 }
diff --git a/src/Infrastructure/BotSharp.OpenAPI/Controllers/Instruct/InstructModeController.cs b/src/Infrastructure/BotSharp.OpenAPI/Controllers/Instruct/InstructModeController.cs
index c51a26fa3..71b9c7cde 100644
--- a/src/Infrastructure/BotSharp.OpenAPI/Controllers/Instruct/InstructModeController.cs
+++ b/src/Infrastructure/BotSharp.OpenAPI/Controllers/Instruct/InstructModeController.cs
@@ -24,6 +24,7 @@ public async Task<InstructResult> InstructCompletion([FromRoute] string agentId,
     {
         var state = _services.GetRequiredService<IConversationStateService>();
         input.States.ForEach(x => state.SetState(x.Key, x.Value, activeRounds: x.ActiveRounds, source: StateSource.External));
+
         state.SetState("provider", input.Provider, source: StateSource.External)
             .SetState("model", input.Model, source: StateSource.External)
             .SetState("model_id", input.ModelId, source: StateSource.External)
@@ -33,7 +34,8 @@ public async Task<InstructResult> InstructCompletion([FromRoute] string agentId,
             .SetState("channel", input.Channel, source: StateSource.External)
             .SetState("code_options", input.CodeOptions, source: StateSource.External)
             .SetState("file_options", input.FileOptions, source: StateSource.External)
-            .SetState("file_count", !input.Files.IsNullOrEmpty() ? input.Files.Count : (int?)null, source: StateSource.External);
+            .SetState("file_count", input.Files?.Count, source: StateSource.External)
+            .SetState("file_urls", input.Files?.Select(p => p.ToString()), source: StateSource.External);
 
         var instructor = _services.GetRequiredService<IInstructService>();
         var result = await instructor.Execute(agentId,