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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

A handler runs after the user is authenticated and allows for a custom code to handle the user object before the Dynamic SDK finishes the authentication and closes the UI.

Usage

<DynamicContextProvider
  settings={{
    handlers: {
      handleAuthenticatedUser: async (args) => {
        console.log("handleAuthenticatedUser was called", args);

        await customUserObjectProcess(args.user);
      },
    },
  }}
>
  {/* ... rest of your app ... */}
</DynamicContextProvider>

Handler Argument Value

UserProfile Authenticated user
Last modified on June 25, 2026