# fetchMetadata

## Description

The `fetchMetaData`function retrieves metadata associated with a given IPFS hash. It sends a GET request to the IPFS gateway to fetch the metadata and returns it as a response. 

## Parameters

| Parameter  | Type   | Description                                |
| ---------- | ------ | ------------------------------------------ |
| `ipfsHash` | string | The IPFS hash associated with the metadata |

## Response

| Property | Type   | Description                                         |
| -------- | ------ | --------------------------------------------------- |
| `data`   | object | The metadata object retrieved from the IPFS gateway |

## Example Request and Response

### Prerequisites

Before making requests with Volary SDK, you must have it installed.

You can install Volary SDK using either **`npm`** or **`yarn`**. Use the following commands to install Volary SDK:

```jsx
npm install @nest25/storage-lib
OR
yarn add @nest25/storage-lib
```

### Request

Here is an example of how to make a `fetchMetaData` request using the Volary SDK:

```
// import Nest SDK library
const { StorageLibrary } = require('@nest25/storage-lib');
// create an instance of the storage library
const storageLibrary = new StorageLibrary();

async function main() {
  // fetch metadata from ipfs hash and print it
  const ipfsHash = await storageLibrary.fetchMetadata('Qme6nVQjNfnrbFiZ5VFgbjvVL21xATkmH1gQWiQxtKJ6JY');
  console.log(ipfsHash);
}
main();
```

### Response

```
{ res: { name: 'test', age: 30 } }
```

## Use Cases

* **NFT Marketplaces:** The function can be used by NFT marketplaces to retrieve metadata for NFTs stored on IPFS.
* **DApps:** The function can be used by decentralized applications to retrieve metadata stored on IPFS.
* **DeFi Platforms:** The function can be used by DeFi platforms to retrieve metadata for various assets stored on IPFS.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

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

```
GET https://docs.volary.io/sdks-guide/blockchain-sdks/storage-sdk/fetchmetadata.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.