# Add New Properties

This method allows you to add a new property to an item

### Add new Property

<mark style="color:green;">`POST`</mark> `https://api.alturanft.com/api/v2/item/add/property`

Takes an item's collection address, tokenId, chaind Id, new property name, the property value and your API key&#x20;

#### Query Parameters

| Name                                     | Type   | Description  |
| ---------------------------------------- | ------ | ------------ |
| apiKey<mark style="color:red;">\*</mark> | String | Your API key |

#### Request Body

| Name                                            | Type    | Description                                       |
| ----------------------------------------------- | ------- | ------------------------------------------------- |
| address<mark style="color:red;">\*</mark>       | String  | The item's collection address                     |
| tokenId<mark style="color:red;">\*</mark>       | Integer | The item's tokenId                                |
| propertyName<mark style="color:red;">\*</mark>  | String  | The name (key) of the property you want to change |
| propertyValue<mark style="color:red;">\*</mark> | String  | The new value you want to set the property to     |
| chainId<mark style="color:red;">\*</mark>       | Integer | Network ID                                        |

{% tabs %}
{% tab title="200: OK " %}

```javascript
{
    // Response
}
```

{% endtab %}

{% tab title="500: Internal Server Error " %}

```javascript
{
    // Response
}
```

{% endtab %}
{% endtabs %}


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Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.altura.com/altura-documentation/api-reference/smart-nft-endpoints/add-new-properties.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.