# Catalog Item Option for Item

An option that can be assigned to an item.
For example, a t-shirt item may offer a color option or a size option.

## Structure

`CatalogItemOptionForItem`

## Fields

| Name | Type | Tags | Description |
|  --- | --- | --- | --- |
| `itemOptionId` | `string \| null \| undefined` | Optional | The unique id of the item option, used to form the dimensions of the item option matrix in a specified order. |

## Example (as JSON)

```json
{
  "item_option_id": "item_option_id4"
}
```