# Avalanche (C-Chain) eth_newFilter

> Creates filter to notify of state changes on Avalanche (C-Chain).

# `eth_newFilter`

<Description />

## Parameters

<Params />

## Returns

<Returns />

## Example

<Example />

### Request

<Tabs>
  <TabItem value="curl">

```bash
curl https://avalanche-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc": "2.0", "method": "eth_newFilter", "params": [{"topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}], "id": 1}'
```

  </TabItem>
  <TabItem value="WSS">

```bash
wscat -c wss://avalanche-mainnet.infura.io/ws/v3/<YOUR-API-KEY> -x '{"jsonrpc": "2.0", "method": "eth_newFilter", "params": [{"topics": ["0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef"]}], "id": 1}'
```

  </TabItem>
</Tabs>

### Response

<Response />