anonarrayitems.json

{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "title": "AnonArray",
  "type": "object",
  "properties": {
    "arr": {
      "$ref": "#/definitions/TheArray"
    }
  },
  "definitions": {
    "TheArray": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "name": {
            "type": "string"
          },
          "anon": {
            "type": "array",
            "items": {
              "type": "object",
              "properties": {
                "foo": {
                  "type": "string"
                }
              }
            }
          }
        }
      }
    }

  }
}