> For the complete documentation index, see [llms.txt](/llms.txt).

# useChain

Composable to read the currently connected chain from Embedded Wallets in Vue.

### Import

```ts
import { useChain } from '@web3auth/modal/vue'

```

### Usage

```html
<script setup lang="ts">
  import { useChain } from '@web3auth/modal/vue'

  const { chainId, chainNamespace } = useChain()
</script>

<template>
  <div>Chain ID: {{ chainId ?? 'Not connected' }}</div>
  <div>Chain namespace: {{ chainNamespace ?? 'Not connected' }}</div>
</template>

```

### Return type

```ts
import type { IUseChain } from '@web3auth/modal/vue'

```

#### `chainId`

`Ref<string | null>`

Chain ID of the currently connected chain, or `null` if not connected.

#### `chainNamespace`

`Ref<ChainNamespaceType | null>`

Namespace of the currently connected chain (for example, `eip155` or `solana`), or `null` if not connected.