events.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "type": "array",
  "items": {
    "type": "object",
    "properties": {
      "lang": {
        "type": "string"
      },
      "startDate": {
        "type": "string"
      },
      "endDate": {
        "type": "string"
      },
      "location": {
        "type": "string"
      },
      "speaker": {
        "type": "string"
      },
      "title": {
        "type": "string"
      },
      "subject": {
        "type": "string"
      },
      "url": {
        "type": "string"
      },
      "online": {
        "type": "boolean"
      },
      "content": {
        "type": "object",
        "properties": {
          "slides": {
            "type": "string"
          },
          "video": {
            "type": "string"
          }
        },
        "additionalProperties": false
      },
      "description": {
        "type": "object",
        "properties": {
          "__cdata": {
            "type": "string"
          }
        }
      }
    },
    "additionalProperties": false,
    "required": [
      "lang",
      "startDate",
      "endDate",
      "speaker",
      "title",
      "subject",
      "url"
    ]
  }
}