Modified question schema

idrefschema.json

{
  "$schema": "http://json-schema.org/draft-06/schema#",
  "type": "object",
  "allOf": [
    {
      "$schema": "http://json-schema.org/draft-06/schema#",
      "$id": "http:/example.org/example.schema.json",
      "type": "object",
      "properties": {
        "type": {
          "type": "string"
        },
        "body": {
          "type": "object"
        }
      },
      "required": [
        "type",
        "body"
      ]
    },
    {
      "properties": {
        "body": {
          "$schema": "http://json-schema.org/draft-06/schema#",
          "$id": "http://example.org/foo.schema.json",
          "type": "object",
          "properties": {
            "foo": {
              "type": "number",
              "minimum": 1
            },
            "bar": {
              "$ref": "#/properties/foo"
            }
          },
          "required": [
            "foo",
            "bar"
          ]
        }
      }
    }
  ]
}