drupal ruby xmlrpc tags / taxonomy

        # can't get taxonomy / tags working

        my_node_title = 'my title'
        my_node_type = 'my_custom_article'
        my_filename = 'my.png'
        my_fid = create_file(my_filename,local_file_path) # some other server xmlrpc call to create a file
        my_str_1 = 'my str a'
        my_str_2 = 'my str b'
        my_str_list = [
            {
                'value' => my_str_1,
                'format' => '',
                'safe_value' => my_str_1
            },
            {
                'value' => my_str_2,
                'format' => '',
                'safe_value' => my_str_2
            },
        ]


    node = {
      'title' => my_node_title,
      'type' => my_node_type,

            # works
      'field_my_image' => {
        'und' => [
          {
                "fid"=> my_fid,
                "filename"=>my_filename,
                "uri"=>"public://#{my_filename}",
            }
            ]
      },

      # can't get this to work
      'taxonomy' => taxonomy,
      # maybe like this ?
      'field_my_tags' => my_tags,

            # works
            "field_my_string_list"=> {
                "und" => my_str_list
            },

    }


    @server.call("node.create",node)