> ## Documentation Index
> Fetch the complete documentation index at: https://turnkey-0e7c1f5b-bc-add-sdk-typedoc.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# SignMessage

# Function: signMessage()

> **signMessage**(`client`, `message`, `organizationId`, `signWith`): `Promise`\<`` `0x${string}` ``>

Defined in: [packages/viem/src/index.ts:293](https://github.com/tkhq/sdk/blob/ee72856c3f450731d7501ab05001215768b71500/packages/viem/src/index.ts#L293)

## Parameters

### client

`TurnkeyClient` | [`TurnkeyBrowserClient`](../../../sdk-browser/index/TurnkeyBrowserClient/readme) | [`TurnkeyServerClient`](../../../sdk-server/index/TurnkeyServerClient/readme)

### message

`SignableMessage`

### organizationId

`string`

### signWith

`string`

## Returns

`Promise`\<`` `0x${string}` ``>