TP-Link TL-SC3430N User Manual page 78

Parameter: the parameter of CGI (defined in Setting → Advanced → HTTP event → General
→ URL) is from your target device. For example, move=down.
Message: message will show up in the form of Message = PTZ down. If your target device didn't
support the parameter of message, you can't see the message. So you can just take the
message as a note. For example: PTZ down.
Audio detection: Click it for using Audio Detection function as a sensor. You can set audio
detection function on the audio detection function page.
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