In IoT Events, I have setup an Event to send a message to SNS. I am attempting to use a custom payload where I can include the value in the message. The value outlined in red below is what I am trying to use and it is a Number. When I run the Analysis on my Event in the Detector GUI, it gives this warning:
*Message: The payload expression "$input.CNC1Standard.vibration" isn't valid. Specify an expression that would evaluate to a string at runtime because the payload type is JSON format. *
I have looked through the documentation and cannot find the command or an example for how to convert a Number into a String for this service. I have tried both String and JSON for the Payload type, played around with quotes, escape characters, and similar. Any ideas on how to perform the conversion?
Thanks Greg, that was it. I looked all over that documentation and didn't come across that command...I think I need more coffee ;)