# `isOwner`

Checks if a given address is an owner of the connected Safe.

## Usage


<Tabs items={['example.ts', 'setup.ts']}>
  <Tabs.Tab>
    ```typescript
    import { protocolKit } from './setup.ts'

    const address = '0x...'

    const isOwner = await protocolKit.isOwner(address)
    ```
  </Tabs.Tab>
  <Tabs.Tab>
    ```typescript
    import Safe from '@safe-global/protocol-kit'

    export const protocolKit = Safe.init({
      provider,
      signer,
      safeAddress: '0x...'
    })
    ```
  </Tabs.Tab>
</Tabs>


## Parameters

### `address`

- **Type**: `string`

The address to check.

```typescript focus=2
const isOwner = await protocolKit.isOwner(
  '0x...'
)
```

## Returns

`Promise<string>`

The boolean value that indicates if the address is an owner of the Safe.