     @version ?= 5
     @params = {}
     @filters = {}
+
     @url ?= address
     # API Key can be two ways:
     # zone-APIKey

      zone = ""
      @apiKey = ""

    @url ?= zone + "-search.doofinder.com"

  ###

      params.query = cleaned
      headers = {}
      if _this.apiKey
        if _this.version == 4
          authHeaderName = 'api token'
        else
          authHeaderName = 'authorization'
        headers[authHeaderName] = _this.apiKey

      _this.params = {}
      _this.filters = {}
      _this.sort = []
