# ItemDefinition

## Importing the class

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
import crafttweaker.api.item.ItemDefinition;
```


## Implemented Interfaces
ItemDefinition implements the following interfaces. That means all methods defined in these interfaces are also available in ItemDefinition

- [ItemLike](/vanilla/api/world/ItemLike)

## Casters

| Result Type                                | Is Implicit |
| ------------------------------------------ | ----------- |
| [IItemStack](/vanilla/api/item/IItemStack) | true        |

## Methods

:::group{name=getCommandString}

Return Type: string

```zenscript
// ItemDefinition.getCommandString() as string

myItemDefinition.getCommandString();
```

:::

:::group{name=getDefaultInstance}

Return Type: [IItemStack](/vanilla/api/item/IItemStack)

```zenscript
// ItemDefinition.getDefaultInstance() as IItemStack

myItemDefinition.getDefaultInstance();
```

:::

:::group{name=getRegistryName}

Return Type: [ResourceLocation](/vanilla/api/resource/ResourceLocation)

```zenscript
// ItemDefinition.getRegistryName() as ResourceLocation

myItemDefinition.getRegistryName();
```

:::


## Properties

| 名称              | Type                                                       | Has Getter | Has Setter |
| --------------- | ---------------------------------------------------------- | ---------- | ---------- |
| commandString   | string                                                     | true       | false      |
| defaultInstance | [IItemStack](/vanilla/api/item/IItemStack)                 | true       | false      |
| registryName    | [ResourceLocation](/vanilla/api/resource/ResourceLocation) | true       | false      |



名称	Type	Has Getter	Has Setter
名称 commandString	Type string	Has Getter true	Has Setter false
名称 defaultInstance	Type IItemStack	Has Getter true	Has Setter false
名称 registryName	Type ResourceLocation	Has Getter true	Has Setter false