config.json

{
    "bridge": {
        "name": "Homebridge",
        "username": "CC:22:3D:E3:CE:30",
        "port": 51826,
        "pin": "031-45-154"
    },

    "description": "This is an example configuration file. You can use this as a template for creating your own configuration file.",

    "platforms": [
    ],
    "accessories": [
    {
      "accessory": "mqttlightbulb",
      "name": "<name of lightbulb>",
      "url": "<url of broker>",
      "username": "<username>",
      "password": "<password>",
      "caption": "<label>",
      "topics":
      {
        "getOn": 	"<topic to get the status>",
        "setOn": 	"<topic to set the status>",
        "getBrightness": 	"<topic to get the brightness>",
        "setBrightness": 	"<topic to set the brightness>",
        "getHue": 	"<topic to get the hue>",
        "setHue": 	"<topic to set the hue>",
        "getSaturation": 	"<topic to get the saturation>",
        "setSaturation": 	"<topic to set the saturation>"
      }
    }
    ]
}