code: function (locationIdentifier, params) {
        var path;
        if (locationIdentifier) {
          path = this.constructPath(constants.LOCATIONS, locationIdentifier, constants.PRESENCE);
          return this.Core.GET(path, params);
        } else {
          return this.rejectRequest('Bad Request: A location identifier is required.');
        }
      }
docs: Get all the current presence for all the spaces in a location
  @param  {String|Integer}           locationIdentifier A Robin channel identifier
  @param  {Object|undefined}         params             A querystring object
  @return {Function}                                    A Promise