{
  "$schema" : "http://json-schema.org/draft-04/schema#",
  "description" : "Collection of form fields entities.",
  "type" : "object",
  "additionalProperties" : false,
  "required" : [ "metadata" ],
  "properties" : {
    "form_fields" : {
      "type" : "array",
      "minItems" : 0,
      "uniqueItems" : true,
      "items" : {
        "$schema" : "http://json-schema.org/draft-04/schema#",
        "description" : "Representation of a single form field entity.",
        "type" : "object",
        "additionalProperties" : true,
        "required" : [ "id", "name", "type" ],
        "properties" : {
          "id" : {
            "type" : "string"
          },
          "name" : {
            "type" : "string"
          },
          "type" : {
            "type" : "string",
            "enum" : [ "text", "textarea", "checkbox", "radio", "hidden" ]
          },
          "options" : {
            "type" : "array",
            "items" : {
              "type" : "string"
            }
          },
          "validations" : {
            "type" : "object",
            "additionalProperties" : false,
            "required" : [ "required" ],
            "properties" : {
              "required" : {
                "type" : "boolean"
              },
              "email" : {
                "type" : "boolean"
              },
              "phone" : {
                "type" : "boolean"
              }
            }
          }
        }
      }
    },
    "metadata" : {
      "title" : "Collection Metadata",
      "type" : "object",
      "allOf" : [ {
        "title" : "Entity Metadata",
        "type" : "object",
        "required" : [ "location", "documentation" ],
        "properties" : {
          "location" : {
            "type" : "string",
            "format" : "uri"
          },
          "documentation" : {
            "type" : "string",
            "format" : "uri"
          },
          "related" : {
            "type" : "object"
          }
        }
      }, {
        "type" : "object",
        "required" : [ "count" ],
        "properties" : {
          "count" : {
            "type" : "integer"
          }
        }
      } ]
    }
  }
}