# Mint Additional Supply of ERC1155

Use this method to mint additional supply of an item. 

{% hint style="info" %}
Only works if the circulating supply is less than the maximum supply
{% endhint %}

### Usage in your script

{% tabs %}
{% tab title="JavaScript" %}

```javascript
const response = altura.mintAdditionalSupply(
  COLLECTION_ADDRESS,
  TOKEN_ID,
  AMOUNT,
  TO_ADDRESS
);

const txHash = response.txHash;
```

{% endtab %}

{% tab title="TypeScript" %}

```typescript
const response: { txHash: string } = altura.mintAdditionalSupply(
  COLLECTION_ADDRESS,
  TOKEN_ID,
  AMOUNT,
  TO_ADDRESS
);

const txHash = response.txHash;
```

{% endtab %}
{% endtabs %}

### **Parameters**

<table><thead><tr><th width="193.33333333333331">Parameter</th><th width="137">Type</th><th width="109">Required</th><th>Description</th></tr></thead><tbody><tr><td><code>collection_addr</code></td><td><strong>String</strong></td><td><strong>Yes</strong></td><td>The item's collection address</td></tr><tr><td><code>token_id</code></td><td><strong>number</strong></td><td><strong>Yes</strong></td><td>The item's tokenId</td></tr><tr><td><code>amount</code></td><td><strong>number</strong></td><td><strong>Yes</strong></td><td>The amount of additional supply you want to mint</td></tr><tr><td><code>to_addr</code></td><td><strong>String</strong></td><td><strong>Yes</strong></td><td>The address you want to mint the additional supply to​You do not need to mint the additional supply to your own wallet, instead, you can mint them to someone else's wallet right away</td></tr></tbody></table>


---

# Agent Instructions: Querying This Documentation

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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/js-sdk-reference/developer-wallet-methods/mint-additional-supply-of-erc1155.md?ask=<question>
```

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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.