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Recommended: JavaScript SDK with React Hooks

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) to get started.

Summary

This callback will be called after a user has signed a message, and it allows you to act on that message.

Usage

<DynamicContextProvider
  settings={{
    events: {
      onSignedMessage: ({ messageToSign, signedMessage }) => {
        console.log(
          `onSignedMessage was called: ${messageToSign}, ${signedMessage}`
        );
      },
    },
  }}
>
  {/* ... rest of your app ... */}
</DynamicContextProvider>

Callback Argument Value

{
  messageToSign: string;
  signedMessage: string;
}
Last modified on June 25, 2026