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.

import crafttweaker.api.item.IItemStack;

Implemented Interfaces

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

Casters

Result type	Is Implicit
IIngredientWithAmount	true
ItemStack	true
MCItemDefinition	true
MCWeightedItemStack	true

Methods

addShiftTooltip

Return Type: void

IItemStack.addShiftTooltip(content as MCTextComponent, showMessage as MCTextComponent) as void

Parameter	Type	Description	Optional
content	MCTextComponent	No Description Provided	false
showMessage	MCTextComponent	No Description Provided	true
### addTooltip

Return Type: void

IItemStack.addTooltip(content as MCTextComponent) as void

Parameter	Type	Description
content	MCTextComponent	No Description Provided

asIIngredientWithAmount

Return Type: IIngredientWithAmount

IItemStack.asIIngredientWithAmount() as IIngredientWithAmount
<item:minecraft:dirt>.asIIngredientWithAmount();

clearCustomName

Clears any custom name set for this ItemStack

Return Type: void

IItemStack.clearCustomName() as void
<item:minecraft:dirt>.clearCustomName();

clearTooltip

Return Type: void

IItemStack.clearTooltip() as void
<item:minecraft:dirt>.clearTooltip();

copy

Creates a copy

Return Type: IItemStack

IItemStack.copy() as IItemStack
<item:minecraft:dirt>.copy();

getDefinition

Return Type: MCItemDefinition

IItemStack.getDefinition() as MCItemDefinition
<item:minecraft:dirt>.getDefinition();

getInternal

Gets the internal ItemStack for this IItemStack.

Return Type: ItemStack

IItemStack.getInternal() as ItemStack
<item:minecraft:dirt>.getInternal();

modifyTooltip

Return Type: void

IItemStack.modifyTooltip(function as ITooltipFunction) as void

Parameter	Type	Description
function	ITooltipFunction	No Description Provided

mutable

Return Type: IItemStack

IItemStack.mutable() as IItemStack
<item:minecraft:dirt>.mutable();

removeTooltip

Return Type: void

IItemStack.removeTooltip(regex as string) as void

Parameter	Type	Description
regex	string	No Description Provided

setDisplayName

Sets the display name of the ItemStack

Return Type: IItemStack

IItemStack.setDisplayName(name as string) as IItemStack
<item:minecraft:dirt>.setDisplayName("totally not dirt");

Parameter	Type	Description
name	string	New name of the stack.

weight

Return Type: MCWeightedItemStack

IItemStack.weight(weight as double) as MCWeightedItemStack

Parameter	Type	Description
weight	double	No Description Provided

withDamage

Sets the damage of the ItemStack

Return Type: IItemStack

IItemStack.withDamage(damage as int) as IItemStack
<item:minecraft:dirt>.withDamage(10);

Parameter	Type	Description
damage	int	the new damage value

withTag

Sets the tag for the ItemStack.

Return Type: IItemStack

IItemStack.withTag(tag as IData) as IItemStack
<item:minecraft:dirt>.withTag({Display: {lore: ["Hello"]}});

Parameter	Type	Description
tag	IData	The tag to set.

Operators

MOD

myIItemStack % percentage as int

MUL

Sets the amount of the ItemStack

myIItemStack * amount as int
<item:minecraft:dirt> * 3

Properties

Name	Type	Has Getter	Has Setter
amount	int	true	false
burnTime	int	true	true
damage	int	true	false
damageable	boolean	true	false
damaged	boolean	true	false
definition	MCItemDefinition	true	false
displayName	string	true	false
empty	boolean	true	false
food	MCFood	true	true
getOrCreate	IData	true	false
getRepairCost	int	true	false
hasDisplayName	boolean	true	false
hasEffect	boolean	true	false
hasTag	boolean	true	false
isCrossbow	boolean	true	false
isEnchantable	boolean	true	false
isEnchanted	boolean	true	false
maxDamage	int	true	false
maxStackSize	int	true	false
owner	string	true	false
registryName	MCResourceLocation	true	false
stackable	boolean	true	false
tag	IData	true	false
translationKey	string	true	false
useDuration	int	true	false