How to OPEN and WRITE txt file in the server by Arduino and ESP-WROOM-02

I already got my Arduino and ESP-WROOM-02 connect to the web server.

So now I want to know "How to OPEN and WRITE txt file in the server by Arduino and ESP-WROOM-02"

If you know is there any reference (Web site) or have some Idea, please let me know.

Thank you for your reading.

Why not continue your other post.

forum.arduino.cc/index.php?topic=466438.0