sudo npm install -g homebridge-synology

{
    "bridge": {
        "name": "Homebridge",
        "username": "CC:22:3D:E3:CE:51",
        "port": 51826,
        "pin": "031-45-154"
    },
    "description": "This is an example configuration file for homebridge synology plugin",
    "hint": "Always paste into jsonlint.com validation page before starting your homebridge, saves a lot of frustration",
    "accessories": [
        {
            "accessory": "Synology",
            "name": "Diskstation", // the name is displayed in homekit
            "ip": "192.168.178.1", // ip of your diskstation
            "mac": "A1:B3:C3:D4:E5:EX", // mac of your diskstation
            "port": "port number", // (optional) port number of the webinterface, default 5000 (or 5001 if you set secure=true)
            "secure": false, // set this to true if you use a secure connection (https)
            "account": "admin",
            "password": "supersecret",
            "version": 5, // (optional) DSM Version, default is 6
            "timeout": 5000, // (optional) in ms, increase this value for slow diskstations
            "disabled": ["temp"], // (optional) see "disable services"
            "doPolling": true, // (optional) default is false
            "pollingInterval": 60 // (optional) in s, default is 60
        }
    ]
}