card

{
   "description":"A representation of a person, company, organization, or place",
   "type":"object",
   "properties":{
      "fn":{
         "description":"Formatted Name",
         "type":"string"
      },
      "familyName":{
         "type":"string",
         "required":true
      },
      "givenName":{
         "type":"string",
         "required":true
      },
      "additionalName":{
         "type":"array",
         "items":{
            "type":"string"
         }
      },
      "honorificPrefix":{
         "type":"array",
         "items":{
            "type":"string"
         }
      },
      "honorificSuffix":{
         "type":"array",
         "items":{
            "type":"string"
         }
      },
      "nickname":{
         "type":"string"
      },
      "url":{
         "type":"string",
         "format":"url"
      },
      "email":{
         "type":"object",
         "properties":{
            "type":{
               "type":"string"
            },
            "value":{
               "type":"string",
               "format":"email"
            }
         }
      },
      "tel":{
         "type":"object",
         "properties":{
            "type":{
               "type":"string"
            },
            "value":{
               "type":"string",
               "format":"phone"
            }
         }
      },
      "adr":{"$ref" : "http://json-schema.org/address"},
      "geo":{"$ref" : "http://json-schema.org/geo"},
      "tz":{
         "type":"string"
      },
      "photo":{
         "format":"image",
         "type":"string"
      },
      "logo":{
         "format":"image",
         "type":"string"
      },
      "sound":{
         "format":"attachment",
         "type":"string"
      },
      "bday":{
         "type":"string",
         "format":"date"
      },
      "title":{
         "type":"string"
      },
      "role":{
         "type":"string"
      },
      "org":{
         "type":"object",
         "properties":{
            "organizationName":{
               "type":"string"
            },
            "organizationUnit":{
               "type":"string"
            }
         }
      }
   }
}