From Bulbapedia, the community-driven Pokémon encyclopedia.
Parameters are as follows:
1: The type of information sorted by language (Currently supports Pokémon, Move, Item, and Ability).
2: The index number of the Move or Ability or the National Pokédex number of the Pokémon (Leave blank if used for Items).
3: English name.
4: Japanese name, kana.
5: Japanese name, rōmaji (NOT TRANSLATED).
6: French name.
7: German name.
8: Italian name.
9: Spanish name.
10: Korean name, hangul.
11: Korean name, romanized (NOT TRANSLATED).
bagsprite: If the item's bag sprite differs from the actual item name (such as for multi-generation items).
color: If a speific color an be applied to the row of cells (such as type colors for moves and Pokémon).