{
  "event": {
    "header": {
      "namespace": "Alexa.Discovery",
      "name": "AddOrUpdateReport",
      "payloadVersion": "3",
      "messageId": "Unique identifier, preferably a version 4 UUID"
    },
    "payload": {
      "endpoints": [
        {
          "endpointId": "Unique ID of the endpoint",
          "manufacturerName": "Manufacturer of the endpoint",
          "description": "Smart Television by Television Maker",
          "friendlyName": "Living Room TV",
          "displayCategories": [
            "TV"
          ],
          "cookie": {},
          "capabilities": [
            {
              "type": "AlexaInterface",
              "interface": "Alexa.InputController",
              "version": "3",
              "properties": {
                "supported": [
                  {
                    "name": "input"
                  }
                ],
                "proactivelyReported": true,
                "retrievable": true
              },
              "inputs": [
                {
                  "name": "HDMI 1",
                  "friendlyNames": [
                    "AnyCompany TV"
                  ]
                },
                {
                  "name": "HDMI 2",
                  "friendlyNames": [
                    "Cable",
                    "AnyCompany Cable"
                  ]
                },
                {
                  "name": "AUX 1",
                  "friendlyNames": [
                    "DVD Player"
                  ]
                },
                {
                  "name": "AUX 2"
                }
              ]
            },
            {
              "type": "AlexaInterface",
              "interface": "Alexa.PowerController",
              "version": "3",
              "properties": {
                "supported": [
                  {
                    "name": "powerState"
                  }
                ],
                "proactivelyReported": true,
                "retrievable": true
              }
            },
            {
              "type": "AlexaInterface",
              "interface": "Alexa",
              "version": "3"
            }
          ]
        }
      ]
    }
  }
}