diff --git a/main.py b/main.py
index 1cae752..4edd18d 100644
--- a/main.py
+++ b/main.py
@@ -3,14 +3,14 @@ import time
 import uuid
 
 sdtcloud = sdtcloudpubsub.sdtcloudpubsub()
-mqttClient = sdtcloud.setClient(f"device-app-{uuid.uuid1()}") # parameter is client ID(string)
+sdtcloud.setClient(f"device-app-{uuid.uuid1()}") # parameter is client ID(string)
 
 def runAction():
     while True:
         msg = {
             "message": "Hello World"
         }
-        sdtcloud.pubMessage(mqttClient, msg)
+        sdtcloud.pubMessage(msg)
         time.sleep(2)
 
 if __name__ == "__main__":