From 263508b8f74366931601f3a26b5bab22e1388539 Mon Sep 17 00:00:00 2001
From: narawat <narawat@gmail.com>
Date: Mon, 23 Feb 2026 20:50:41 +0700
Subject: [PATCH] update

---
 Project.toml         |  2 +-
 examples/tutorial.md | 34 +++++++++++++++++-----------------
 2 files changed, 18 insertions(+), 18 deletions(-)

diff --git a/Project.toml b/Project.toml
index e362d04..7dcfae6 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,6 +1,6 @@
 name = "NATSBridge"
 uuid = "f2724d33-f338-4a57-b9f8-1be882570d10"
-version = "0.4.2"
+version = "0.4.3"
 authors = ["narawat <narawat@gmail.com>"]
 
 [deps]
diff --git a/examples/tutorial.md b/examples/tutorial.md
index d43f905..8c874c4 100644
--- a/examples/tutorial.md
+++ b/examples/tutorial.md
@@ -208,7 +208,7 @@ config = {
 
 # Send as dictionary type
 data = [("config", config, "dictionary")]
-env = smartsend("/device/config", data, nats_url="nats://localhost:4222")
+env, msg_json_str = smartsend("/device/config", data, nats_url="nats://localhost:4222")
 ```
 
 #### JavaScript
@@ -222,7 +222,7 @@ const config = {
     update_interval: 60
 };
 
-await smartsend("/device/config", [
+const { env, msg_json_str } = await smartsend("/device/config", [
     { dataname: "config", data: config, type: "dictionary" }
 ]);
 ```
@@ -239,7 +239,7 @@ config = Dict(
 )
 
 data = [("config", config, "dictionary")]
-smartsend("/device/config", data)
+env, msg_json_str = smartsend("/device/config", data)
 ```
 
 ### Example 2: Sending Binary Data (Image)
@@ -255,7 +255,7 @@ with open("image.png", "rb") as f:
 
 # Send as binary type
 data = [("user_image", image_data, "binary")]
-env = smartsend("/chat/image", data, nats_url="nats://localhost:4222")
+env, msg_json_str = smartsend("/chat/image", data, nats_url="nats://localhost:4222")
 ```
 
 #### JavaScript
@@ -267,7 +267,7 @@ const { smartsend } = require('./src/NATSBridge');
 const fs = require('fs');
 const image_data = fs.readFileSync('image.png');
 
-await smartsend("/chat/image", [
+const { env, msg_json_str } = await smartsend("/chat/image", [
     { dataname: "user_image", data: image_data, type: "binary" }
 ]);
 ```
@@ -281,7 +281,7 @@ using NATSBridge
 image_data = read("image.png")
 
 data = [("user_image", image_data, "binary")]
-smartsend("/chat/image", data)
+env, msg_json_str = smartsend("/chat/image", data)
 ```
 
 ### Example 3: Request-Response Pattern
@@ -358,7 +358,7 @@ import os
 large_data = os.urandom(2_000_000)  # 2MB of random data
 
 # Send with file server URL
-env = smartsend(
+env, msg_json_str = smartsend(
     "/data/large",
     [("large_file", large_data, "binary")],
     nats_url="nats://localhost:4222",
@@ -380,7 +380,7 @@ const largeData = new ArrayBuffer(2_000_000);
 const view = new Uint8Array(largeData);
 view.fill(42);  // Fill with some data
 
-await smartsend("/data/large", [
+const { env, msg_json_str } = await smartsend("/data/large", [
     { dataname: "large_file", data: largeData, type: "binary" }
 ], {
     fileserverUrl: "http://localhost:8080",
@@ -396,7 +396,7 @@ using NATSBridge
 # Create large data (> 1MB)
 large_data = rand(UInt8, 2_000_000)
 
-env = smartsend(
+env, msg_json_str = smartsend(
     "/data/large",
     [("large_file", large_data, "binary")],
     fileserver_url="http://localhost:8080"
@@ -425,7 +425,7 @@ data = [
     ("user_avatar", image_data, "image")
 ]
 
-env = smartsend("/chat/mixed", data, nats_url="nats://localhost:4222")
+env, msg_json_str = smartsend("/chat/mixed", data, nats_url="nats://localhost:4222")
 ```
 
 #### JavaScript
@@ -435,7 +435,7 @@ const { smartsend } = require('./src/NATSBridge');
 
 const fs = require('fs');
 
-await smartsend("/chat/mixed", [
+const { env, msg_json_str } = await smartsend("/chat/mixed", [
     {
         dataname: "message_text",
         data: "Hello with image!",
@@ -461,7 +461,7 @@ data = [
     ("user_avatar", image_data, "image")
 ]
 
-smartsend("/chat/mixed", data)
+env, msg_json_str = smartsend("/chat/mixed", data)
 ```
 
 ### Example 6: Table Data (Arrow IPC)
@@ -483,7 +483,7 @@ df = pd.DataFrame({
 
 # Send as table type
 data = [("students", df, "table")]
-env = smartsend("/data/students", data, nats_url="nats://localhost:4222")
+env, msg_json_str = smartsend("/data/students", data, nats_url="nats://localhost:4222")
 ```
 
 #### Julia
@@ -500,7 +500,7 @@ df = DataFrame(
 )
 
 data = [("students", df, "table")]
-smartsend("/data/students", data)
+env, msg_json_str = smartsend("/data/students", data)
 ```
 
 ---
@@ -519,7 +519,7 @@ using NATSBridge
 # Send dictionary from Julia to JavaScript
 config = Dict("step_size" => 0.01, "iterations" => 1000)
 data = [("config", config, "dictionary")]
-smartsend("/analysis/config", data, nats_url="nats://localhost:4222")
+env, msg_json_str = smartsend("/analysis/config", data, nats_url="nats://localhost:4222")
 ```
 
 #### JavaScript Receiver
@@ -544,7 +544,7 @@ for (const payload of envelope.payloads) {
 ```javascript
 const { smartsend } = require('./src/NATSBridge');
 
-await smartsend("/data/transfer", [
+const { env, msg_json_str } = await smartsend("/data/transfer", [
     { dataname: "message", data: "Hello from JS!", type: "text" }
 ]);
 ```
@@ -568,7 +568,7 @@ for dataname, data, type in envelope["payloads"]:
 from nats_bridge import smartsend
 
 data = [("message", "Hello from Python!", "text")]
-smartsend("/chat/python", data)
+env, msg_json_str = smartsend("/chat/python", data)
 ```
 
 #### Julia Receiver