List type
Also written: list, lists, [Product!]!
Square brackets around a type, as in `[Product]`. The `!` can go on the items, the list or both, so `[Product!]!` is always a list, maybe empty, with no null items.
Also written: list, lists, [Product!]!
Square brackets around a type, as in `[Product]`. The `!` can go on the items, the list or both, so `[Product!]!` is always a list, maybe empty, with no null items.