Hi to all, I’m having a problem trying to publish a JSON file via MQTT, when I put the export mapping before the publish from mqtt, I’m not able to set up the parameter, and because of that my error appears “The export mapping requires a parameter but none is specified in the action.”. How can I solve this to be able to sendo my JSON file.
You need to create an “AddData” entity and pass this into your Export Mapping. At the moment your export mapping has no data to convert into JSON.
Hope this helps
The message says that you need to create a variable of the type that the mapping requires. If you do that, you will see that you can pass it to the mapping.