sp-dev-fx-webparts/samples/react-world-clocks/lib/webparts/worldClockWebPart/WorldClockWebPartWebPart.manifest.json

{
  "$schema": "https://developer.microsoft.com/json-schemas/spfx/client-side-web-part-manifest.schema.json",
  "id": "6baae7a7-af13-40d3-9567-f3bca9986248",
  "alias": "WorldClockWebPartWebPart",
  "componentType": "WebPart",

  "version": "*",
  "manifestVersion": 2,

  "requiresCustomScript": false,
  "supportedHosts": ["SharePointWebPart"],

  "preconfiguredEntries": [{
    "groupId": "5c03119e-3074-46fd-976b-c60198311f70", // Other
    "group": {
      "default": "Other"
    },
    "title": {
      "default": "World Clocks"
    },
    "description": {
      "default": "World Clocks Web Part"
    },
    "officeFabricIconFontName": "Clock",
    "properties": {
      "description": "World Clocks WebPart"
    }
  }]
}