Nop action

The action is an Nop sink, the result sent to this sink will be ignored. If specify the log property to true, then the result will be saved into log file, the log file is at $eKuiper_install/log/stream.log by default.

Property name	Optional	Description
log	true	true/false - print the sink result to log or not. By default is false, that will not print the result to log file.