json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "type": "object",
      "properties": {
          "replaceExisting": {
              "type": "boolean",
              "default": false
          },
          "createUsers": {
              "type": "boolean",
              "default": true
          },
          "createGroups": {
              "type": "boolean",
              "default": true
          },
          "slug": {
              "type": "string",
              "minLength": 4,
              "maxLength": 63,
              "pattern": "^[0-9a-z-]*$"
          }
      },
      "additionalProperties": false
  }