Just created an Influx database called "test" and I want to do some tests from a simple flow. I'm new with Influx so I wonder if someone can guide me how to write the value "123" to the database. As far as I know Infux adds a timestamp. Copied from the debug frame the path is "payload" and the value is "123". Below the flow export and the relevant part of the screen.
Your code snippet isn't importable. please re-paste and wrap it in ``` at the start and end. Also, so far as the influx input node goes, be sure you're specifying a measurement in the node config.
If you can work out the line syntax, you can simply use the http-request node to send the data. The InfluxDB node simply tries to let you send a more structured object whereas using the request node means you have to form the query string yourself - not at all hard and in some ways easier than using the node.