How to send data in TCP_Server

I am using MCB1700 as TCP server and I can received data from PC client.
But I can not send data back to the PC client while the TCP is still connected. Is there any one who has experience to do that ?

In the /TCPnet/LEDSwitch example, I managed to receive data from PC client but I don't know how to send the response/data back to the PC client? which function can be used ? Is there any one who has example ?

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