# `signHash`

Signs a Safe transaction hash with the connected signer.

## Usage


<Tabs items={['example.ts', 'setup.ts']}>
  <Tabs.Tab>
    ```typescript
    import {
      MetaTransactionData,
      OperationType
    } from '@safe-global/types-kit'
    import { protocolKit } from './setup.ts'

    const transactions: MetaTransactionData[] = [{
      to: '0x...',
      value: '123',
      data: '0x',
      operation: OperationType.Call // Optional
    }]
    const safeTransaction = await protocolKit.createTransaction({
      transactions
    })
    const safeTransactionHash = await protocolKit.getTransactionHash(
      safeTransaction
    )

    const signature = await protocolKit.signHash(safeTransactionHash)
    ```
  </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

### `safeTransactionHash`

- **Type**: `string`

The Safe transaction hash to sign.

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

## Returns

`Promise<SafeSignature>`

The signature from the signer.