It might be required for you to import the package if you encounter any issues (like casting an Array), so better be safe than sorry and add the import at the very top of the file.

ZenScript
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import crafttweaker.api.villager.trade.type.EmeraldForItems;

EmeraldForItems implements the following interfaces. That means all methods defined in these interfaces are also available in EmeraldForItems

• ItemListing

ZenScript
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new EmeraldForItems(item as ItemLike, cost as int, maxUses as int, villagerXp as int) as EmeraldForItems
new EmeraldForItems(<item:minecraft:diamond>, 1, 8, 2);

Parametro	Tipo	Descrizione
Parametro item	Tipo ItemLike	Descrizione The Item that is being given to the villager
Parametro cost	Tipo int	Descrizione How many emeralds does this trade cost
Parametro maxUses	Tipo int	Descrizione How many times can this trade be used
Parametro villagerXp	Tipo int	Descrizione How much experience does this trade reward the villager