{
  "title": "Service",
  "description": "A service",
  "additionalProperties": false,
  "type": "object",
  "properties": {
    "services": {
      "type": "array",
      "id": "services",
      "required": true,
      "items": {
        "type": "object",
        "properties": {
          "entity_type": {
            "description": "default entity_type, if a device has not got entity_type uses this",
            "type": "string"
          },
          "apikey": {
            "description": "apikey",
            "type": "string",
            "required": true
          },
          "endpoint": {
              "description": "Endpoint for the commands targeting this group",
              "type": "string"
          },
          "transport": {
            "description": "Transport protocol used by the platform to communicate with the device",
            "type": "string"
          },
          "token": {
            "description": "token",
            "type": "string"
          },
          "cbHost": {
            "description": "uri for the context broker",
            "type": "string"
          },
          "resource": {
            "description": "uri for the iotagent",
            "type": "string",
            "required": true
          },
          "lazy": {
            "description": "list of lazy attributes of the devices",
            "type": "array"
          },
          "ngsiVersion": {
            "description": "NGSI Interface for this group of devices",
            "type": "string"
          },
          "payloadType": {
            "description": "Payload type allowed for measures for this group",
            "type": "string"
          },
          "attributes": {
            "description": "list of active attributes of the devices",
            "type": "array"
          },
          "commands": {
            "description": "list of commands of the devices",
            "type": "array"
          }
        }
      }
    }
  }  
}