# SignTypedDataParams

> Overview of SignTypedDataParams

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

{/* This file is auto-generated by TypeDoc. Do not edit manually. */}

```ts
type SignTypedDataParams = {
  domain?: {
    name?: string;
    version?: string;
    chainId?: number | bigint;
    verifyingContract?: ViemAddress;
    salt?: Hex;
  };
  types: TypedData | Record<string, unknown>;
  primaryType: string;
  message: Record<string, unknown>;
  account?: AccountParam;
};
```

Defined in: [packages/wallet-apis/src/actions/signTypedData.ts:10](https://github.com/alchemyplatform/aa-sdk/blob/main/packages/wallet-apis/src/actions/signTypedData.ts#L10)

## Properties

<table>
  <thead>
    <tr>
      <th align="left">Property</th>
      <th align="left">Type</th>
    </tr>
  </thead>

  <tbody>
    <tr>
      <td>
        <a id="account" /> `account?`
      </td>

      <td>
        `AccountParam`
      </td>
    </tr>

    <tr>
      <td>
        <a id="domain" /> `domain?`
      </td>

      <td>
        `object`
      </td>
    </tr>

    <tr>
      <td>
        `domain.chainId?`
      </td>

      <td>
        `number` | `bigint`
      </td>
    </tr>

    <tr>
      <td>
        `domain.name?`
      </td>

      <td>
        `string`
      </td>
    </tr>

    <tr>
      <td>
        `domain.salt?`
      </td>

      <td>
        [`Hex`](https://viem.sh)
      </td>
    </tr>

    <tr>
      <td>
        `domain.verifyingContract?`
      </td>

      <td>
        [`ViemAddress`](https://abitype.dev)
      </td>
    </tr>

    <tr>
      <td>
        `domain.version?`
      </td>

      <td>
        `string`
      </td>
    </tr>

    <tr>
      <td>
        <a id="message" /> `message`
      </td>

      <td>
        `Record`\<`string`, `unknown`>
      </td>
    </tr>

    <tr>
      <td>
        <a id="primarytype" /> `primaryType`
      </td>

      <td>
        `string`
      </td>
    </tr>

    <tr>
      <td>
        <a id="types" /> `types`
      </td>

      <td>
        [`TypedData`](https://abitype.dev) | `Record`\<`string`, `unknown`>
      </td>
    </tr>

  </tbody>
</table>