> For the complete documentation index, see [llms.txt](https://docs.novawallet.io/nova-wallet-wiki/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.novawallet.io/nova-wallet-wiki/misc/developer-documentation/app-links/open-referendum.md).

# Open Referendum

App Links allow you to generate a hyperlink that when used will direct users to a specific referendum within Nova Wallet.

## Parameters

When creating an App Link to open a specific referendum you should adjust the following parameters:

**chainId** – this is the network genesis hash without the "0x" prefix. The chain's governance should be supported by Nova Wallet

**id** – referendum ID number

**type** – 0 = OpenGov / 1 = Gov1

## Clickable App Link

This is how you format App Links so that when a user clicks this link they will be directed to the specific referendum within Nova Wallet.

App Links to open the details of a specific referendum are formatted as such:

`https://app.novawallet.io/open/gov?chainId={genesis_hash}&id={referendum_number}&type={optional_numeric_type_of_governance}`

Here is an example of an App Link that will open Polkadot OpenGov referendum #302.

<https://app.novawallet.io/open/gov?chainId=91b171bb158e2d3848fa23a9f1c25182fb8e20313b2c1eb49219da7a70ce90c3&id=302&type=0><br>

## QR Code with App Link

Now that you have your App Link you can make a QR code containing its data, which when scanned with a user's mobile phone will open that specific referendum in their Nova Wallet. You can use a site such as [QRCode Monkey](https://www.qrcode-monkey.com/) to generate these QR codes easily.

<figure><img src="/files/m02ARXzHxqeG0Mi6MtwG" alt="" width="375"><figcaption></figcaption></figure>


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