{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "5.2-pageIdValidated.json",
  "assertionType": "must",
  "expectedResult": "valid",
  "onUnexpectedResult" : "failAndContinue",
  "errorMessage": "ERROR: Annotation Page is missing id key or value of id key is not a single string of format uri.",
  "title": "Implements **Annotation Page _id_ key** which has a **single value** that is a **string of format uri** - [model 5.2](https://www.w3.org/TR/annotation-model/#annotation-page)",
  "description": "True when the Annotation Page has a single id that is a string of format uri (Section 5.2)",
  "oneOf": [
      { "allOf": [
           { "$ref": "id.json#/definitions/idValueFound" },
           { "$ref": "collections.json#/definitions/annotationPageTypeValueFound"  }
         ]
      },
      {  "type": "object",
         "properties":
          {"first":
            { "$ref": "id.json#/definitions/idValueFound" }
          },
         "required": [ "first" ]
      }
  ]
}