Publishing Alert from Node-Red Manual

Configure MQTT in Node-RED:

From the nodes in the left navigation bar, drag and drop the output mqtt node.

Double click on mqtt node, click on the pencil/edit button and set these parameters to configure the connection:

• Connection Tab Parameters:

• Security Tab Parameters:

After the configuration is done, press the ADD

Once it has been added, click DONE.

Publish an Alert from Node-RED:

• Drag and drop an inject node.

• Drag and drop a function node.

• Connect the inject to function to mqtt node, respectively.

• Double-tap the function node and write this code:

msg.topic = "YOUR-ALERT-CHANNEL-MQTT-TOPIC";
msg.payload = 
{
    "severity_level": "MAJOR",
    "subject": "An alert subject",
    "description":  "Description of the alert",
    "client_id":  "YOUR-DEVICE-CLIENT-ID"
};
return msg;

Severity levels could be the following

1. MAJOR

2. MINOR

3. INFORMATIVE

• From the top right corner of Node-RED, tap Deploy.

• Tap the button of the inject node and you should receive an alert based on your alert channel notification preference!