diff --git a/README.md b/README.md
index ca5bc44..0ddf7fa 100644
--- a/README.md
+++ b/README.md
@@ -197,7 +197,7 @@ using NATSBridge
 
 # Send a text message
 data = [("message", "Hello World", "text")]
-env, msg_json_str = NATSBridge.smartsend("/chat/room1", data, nats_url="nats://localhost:4222")
+env, msg_json_str = NATSBridge.smartsend("/chat/room1", data; nats_url="nats://localhost:4222")
 println("Message sent!")
 ```
 
@@ -310,7 +310,7 @@ Sends data either directly via NATS or via a fileserver URL, depending on payloa
 ```python
 from nats_bridge import smartsend
 
-env = smartsend(
+env, msg_json_str = smartsend(
     subject,                           # NATS subject to publish to
     data,                              # List of (dataname, data, type) tuples
     nats_url="nats://localhost:4222",  # NATS server URL
@@ -333,7 +333,7 @@ env = smartsend(
 ```javascript
 const { smartsend } = require('./src/NATSBridge');
 
-const env = await smartsend(
+const { env, msg_json_str } = await smartsend(
     subject,                           // NATS subject
     data,                              // Array of {dataname, data, type}
     {
@@ -359,7 +359,7 @@ const env = await smartsend(
 using NATSBridge
 
 env, msg_json_str = NATSBridge.smartsend(
-    subject;                           # NATS subject
+    subject,                           # NATS subject
     data::AbstractArray{Tuple{String, Any, String}};  # List of (dataname, data, type)
     nats_url::String = "nats://localhost:4222",
     fileserver_url = "http://localhost:8080",
@@ -465,7 +465,7 @@ smartsend("/topic", data)
 ```javascript
 await smartsend("/topic", [
     { dataname: "message", data: "Hello", type: "text" }
-]);
+], { isPublish: false });
 ```
 
 #### Julia
@@ -488,13 +488,13 @@ smartsend("/topic", data, fileserver_url="http://localhost:8080")
 ```javascript
 await smartsend("/topic", [
     { dataname: "file", data: largeData, type: "binary" }
-], { fileserverUrl: "http://localhost:8080" });
+], { fileserverUrl: "http://localhost:8080", isPublish: false });
 ```
 
 #### Julia
 ```julia
 data = [("file", large_data, "binary")]
-smartsend("/topic", data, fileserver_url="http://localhost:8080")
+smartsend("/topic", data; fileserver_url="http://localhost:8080")
 ```
 
 ---
@@ -517,14 +517,14 @@ data = [
     ("large_document", large_file_data, "binary")
 ]
 
-smartsend("/chat/room1", data, fileserver_url="http://localhost:8080")
+env, msg_json_str = smartsend("/chat/room1", data, fileserver_url="http://localhost:8080")
 ```
 
 #### JavaScript
 ```javascript
 const { smartsend } = require('./src/NATSBridge');
 
-await smartsend("/chat/room1", [
+const { env, msg_json_str } = await smartsend("/chat/room1", [
     { dataname: "message_text", data: "Hello!", type: "text" },
     { dataname: "user_avatar", data: image_data, type: "image" },
     { dataname: "large_document", data: large_file_data, type: "binary" }
@@ -543,7 +543,7 @@ data = [
     ("large_document", large_file_data, "binary")
 ]
 
-NATSBridge.smartsend("/chat/room1", data, fileserver_url="http://localhost:8080")
+env, msg_json_str = NATSBridge.smartsend("/chat/room1", data; fileserver_url="http://localhost:8080")
 ```
 
 ### Example 2: Dictionary Exchange
@@ -561,7 +561,7 @@ config = {
 }
 
 data = [("config", config, "dictionary")]
-smartsend("/device/config", data)
+env, msg_json_str = smartsend("/device/config", data)
 ```
 
 #### JavaScript
@@ -574,7 +574,7 @@ const config = {
     update_interval: 60
 };
 
-await smartsend("/device/config", [
+const { env, msg_json_str } = await smartsend("/device/config", [
     { dataname: "config", data: config, type: "dictionary" }
 ]);
 ```
@@ -590,7 +590,7 @@ config = Dict(
 )
 
 data = [("config", config, "dictionary")]
-NATSBridge.smartsend("/device/config", data)
+env, msg_json_str = NATSBridge.smartsend("/device/config", data)
 ```
 
 ### Example 3: Table Data (Arrow IPC)
@@ -609,7 +609,7 @@ df = pd.DataFrame({
 })
 
 data = [("students", df, "table")]
-smartsend("/data/analysis", data)
+env, msg_json_str = smartsend("/data/analysis", data)
 ```
 
 #### JavaScript
@@ -622,7 +622,7 @@ const tableData = [
     { id: 3, name: "Charlie", score: 92 }
 ];
 
-await smartsend("/data/analysis", [
+const { env, msg_json_str } = await smartsend("/data/analysis", [
     { dataname: "students", data: tableData, type: "table" }
 ]);
 ```
@@ -639,7 +639,7 @@ df = DataFrame(
 )
 
 data = [("students", df, "table")]
-NATSBridge.smartsend("/data/analysis", data)
+env, msg_json_str = NATSBridge.smartsend("/data/analysis", data)
 ```
 
 ### Example 4: Request-Response Pattern with Envelope JSON
@@ -738,7 +738,7 @@ using NATSBridge
 
 env = NATSBridge.smartsend(
     "/device/command",
-    [("command", Dict("action" => "read_sensor"), "dictionary")],
+    [("command", Dict("action" => "read_sensor"), "dictionary")];
     reply_to="/device/response"
 )
 ```