# MCItemDefinition

## 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.MCItemDefinition;
```


## Casters

| Result type                                 | Is Implicit |
| ------------------------------------------- | ----------- |
| [IItemStack](/vanilla/api/items/IItemStack) | true        |

## Methods

:::group{name=getDefaultInstance}

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

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

myMCItemDefinition.getDefaultInstance();
```

:::

:::group{name=getTags}

Gets the tags that contain this item.

Returns: a list of tags that contain this item.  
Return Type: stdlib.List&lt;[MCTag](/vanilla/api/tags/MCTag)&lt;[MCItemDefinition](/vanilla/api/item/MCItemDefinition)&gt;&gt;

```zenscript
// MCItemDefinition.getTags() as stdlib.List<MCTag<MCItemDefinition>>

myMCItemDefinition.getTags();
```

:::

:::group{name=isIn}

Checks if this item is in the given tag.

Returns: True if the tag contains this item.  
Return Type: boolean

```zenscript
// MCItemDefinition.isIn(tag as MCTag<MCItemDefinition>) as boolean

myMCItemDefinition.isIn(<tag:items:minecraft:wool>);
```

| Parameter | Type                                                                                                       | Description               |
| --------- | ---------------------------------------------------------------------------------------------------------- | ------------------------- |
| tag       | [MCTag](/vanilla/api/tags/MCTag)&lt;[MCItemDefinition](/vanilla/api/item/MCItemDefinition)&gt; | The tag to check against. |


:::


## Properties

| 名称              | Type                                        | Has Getter | Has Setter | Description             |
| --------------- | ------------------------------------------- | ---------- | ---------- | ----------------------- |
| commandString   | string                                      | true       | false      | No Description Provided |
| defaultInstance | [IItemStack](/vanilla/api/items/IItemStack) | true       | false      | No Description Provided |



名称	Type	Has Getter	Has Setter	Description
名称 commandString	Type string	Has Getter true	Has Setter false	Description No Description Provided
名称 defaultInstance	Type IItemStack	Has Getter true	Has Setter false	Description No Description Provided