code: def add_venuegroup(options={})
        response = connection.post do |req|
          req.url "venuegroups/add", options
        end
        return_error_or_body(response, response.body.response.venueGroup)
      end
docs: Create a venue group. If the venueId parameter is specified,
   then the endpoint will add the specified venues to the venue group.
   If it is not possible to add all of the specified venues to the group,
   then creation of the venue group will fail entirely.
   @param [Hash]  options
   @option options String :name - Required. The name to give the group.
   @option options String :venueId - Comma-delimited list of venue IDs to add to the group. If this parameter is not specified, then the venue group will initially be empty.