File must contain one line, example: {“R3300000”:“Delta 2”,“R3400000”:“Delta Pro”,…} The key/value map of custom names for your devices. Key is a serial number, value is a device name you want to see in Grafana Dashboard. It’s helpful to see a meaningful name in Grafana dashboard instead of a serialnumber. Do to share or commit your plaintext serial numbers to a public repo use: agenix or soaps.

"/etc/ecoflow-devices-pretty-names"