{
  "$schema": "http://json-schema.org/draft-04/schema#",
  "id": "3.3.2-targCreatorAgentNicknameImplemented.json",
  "assertionType": "should",
  "expectedResult": "valid",
  "onUnexpectedResult" : "passAndContinue",
  "errorMessage": "Nickname for Target Creator (Agent) not found. Agents should have exactly one nickname value.",
  "title": "Implements Target-level creator (Agent) **_nickname_ key** with a **single value** that is a string - [model 3.2.2](https://www.w3.org/TR/annotation-model/#agents)",
  "description": "True when exactly one nickname for Target Creator (Agent) is implemented (Section 3.3.2)",
    "properties":
    {
        "target":
        {
           "oneOf": [
                      { "anyOf": [
                        { "$ref": "otherProperties.json#/definitions/creatorAgentWithSingularNicknameFound" },
                        { "$ref": "otherProperties.json#/definitions/sourceCreatorAgentWithSingularNicknameFound" },
                        { "$ref": "otherProperties.json#/definitions/itemCreatorAgentWithSingularNicknameFound" }
                        ]
                      },
                       { "not":
                         { "items":
                            { "not":
                               { "anyOf": [
                                  { "$ref": "otherProperties.json#/definitions/creatorAgentWithSingularNicknameFound" },
                                  { "$ref": "otherProperties.json#/definitions/sourceCreatorAgentWithSingularNicknameFound" },
                                  { "$ref": "otherProperties.json#/definitions/itemCreatorAgentWithSingularNicknameFound" }
                                 ]
                               }
                             }
                         }
                       }
                     ]
         }
     },
     "required": [ "target" ]
}