# Socket Server Python ## What is this function? This function creates a TCP socket server on port 8001 and relays the messages it receives on that socket to AWS IoT ## What does the output look like? `${AWS_IOT_THING_NAME}` is the name of the thing associated with your Core. When the function receives a message on socket it will publish the data it receives on the `${AWS_IOT_THING_NAME}/socketserver/output` topic that looks like this: ```json { "message": "message from client" } ```