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.ItemsForEmeralds;

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

• ItemListing

ZenScript
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new ItemsForEmeralds(item as ItemDefinition, emeraldCost as int, numberOfItems as int, villagerXp as int) as ItemsForEmeralds
new ItemsForEmeralds(<item:minecraft:diamond>, 2, 4, 2);

参数	类型	描述
参数 item	类型 ItemDefinition	描述 The Item that is being sold by the villager
参数 emeraldCost	类型 int	描述 How many emeralds will be given to the villager
参数 numberOfItems	类型 int	描述 The amount of the Item being sold to the villager
参数 villagerXp	类型 int	描述 How much experience does this trade reward the villager

ZenScript
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new ItemsForEmeralds(block as Block, emeraldCost as int, numberOfItems as int, maxUses as int, villagerXp as int) as ItemsForEmeralds
new ItemsForEmeralds(<block:minecraft:dirt>, 2, 4, 8, 2);

参数	类型	描述
参数 block #方块	类型 Block	描述 The Block that is being sold by the villager
参数 emeraldCost	类型 int	描述 How many emeralds will be given to the villager
参数 numberOfItems	类型 int	描述 The amount of the Block being sold to the villager
参数 maxUses	类型 int	描述 How many times can this trade be used
参数 villagerXp	类型 int	描述 How much experience does this trade reward the villager

ZenScript
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new ItemsForEmeralds(itemStack as ItemStack, emeraldCost as int, numberOfItems as int, maxUses as int, villagerXp as int, priceMultiplier as float) as ItemsForEmeralds
new ItemsForEmeralds(<item:minecraft:diamond>, 2, 4, 8, 2, 0.05);

参数	类型	描述
参数 物品应用	类型 物品应用	描述 The Item that is being sold by the villager
参数 emeraldCost	类型 int	描述 How many emeralds will be given to the villager
参数 numberOfItems	类型 int	描述 The amount of the Item being sold to the villager
参数 maxUses	类型 int	描述 How many times can this trade be used
参数 villagerXp	类型 int	描述 How much experience does this trade reward the villager
参数 priceMultiplier	类型 float	描述 How much the price is affected by demand, Hero of the Village, and village reputation