> ## Documentation Index
> Fetch the complete documentation index at: https://docs.dynamic.xyz/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Custom Sign Message

<Card title="Recommended: JavaScript SDK with React Hooks" icon="react" color="#4779FE">
  For new React apps, we recommend the JavaScript SDK with React Hooks (`@dynamic-labs-sdk/react-hooks`) instead of the legacy React SDK documented here. The JS SDK comes with many benefits such as a much smaller bundle size and other optimizations. Use the [React quickstart (JavaScript SDK)](/javascript/reference/react-quickstart) to get started.
</Card>

<Note>This guide is currently React only.</Note>

We currently send the following message when asking a user to sign their wallet
when authenticating:

> Welcome to \{\{your app name}}. Signing is the only way we can truly know
> that you are the owner of the wallet you are connecting. Signing is a safe,
> gas-less transaction that does not in any way give \{\{your app name}}
> permission to perform any transactions with your wallet.

<Note>Note: We base the default message on the standard SIWE format.</Note>

If you would like to update this message and customize it for your users, you
simply need to update this message by passing in the prop `siweStatement` and
your custom message:

```tsx theme={"system"}
<DynamicContextProvider
  settings={{
    environmentId: "XXXXX",
    siweStatement: "Your custom message goes here....",
    ...
  }}
>
```