def send_udp_message():
host = os.getenv(<EOL>"<STR_LIT>",<EOL>"<STR_LIT>").strip().lstrip()<EOL>port = int(os.getenv(<EOL>"<STR_LIT>",<EOL>"<STR_LIT>").strip().lstrip())<EOL>need_response = os.getenv("<STR_LIT>", "<STR_LIT:0>") == "<STR_LIT:1>"<EOL>msg = os.getenv(<EOL>"<STR_LIT>",<EOL>"<STR_LIT>".format(<EOL>datetime.datetime.now().strftime("<STR_LIT>"),<EOL>uuid.uuid4()))<EOL>server_address = (host, port)<EOL>client = socket.socket(socket.AF_INET,<EOL>socket.SOCK_DGRAM)<EOL>print(("<STR_LIT>"<EOL>"<STR_LIT>")<EOL>.format(server_address,<EOL>msg))<EOL>client.sendto(msg.encode(), server_address)<EOL>if need_response:<EOL><INDENT>data = client.recv(<NUM_LIT>).decode()<EOL>print(data)<EOL><DEDENT>client.close()<EOL>
send_udp_message

    Send a ``UDP`` message to port 80 by default.

    Environment variables:

    ``UDP_SEND_TO_HOST`` - host ip address
    ``UDP_SEND_TO_PORT`` - send to this UDP port