Fill in your app details in the form that appears.
In the Platforms section, ensure that iOS is checked.
Since Flutter does not currently support tvOS,
leave that checkbox unchecked. Click Create.

Navigate to the application details for your app and select
App Information from the sidebar.

In the General Information section, select the Bundle ID
you registered in the preceding step.

For a detailed overview, see
Add an app to your account.

Review Xcode project settings

This step covers reviewing the most important settings
in the Xcode workspace.
For detailed procedures and descriptions, see
Prepare for app distribution.

Navigate to your target’s settings in Xcode:

Open the default Xcode workspace in your project by running
open ios/Runner.xcworkspace in a terminal window from your
Flutter project directory.

To view your app’s settings, select the Runner target in the
Xcode navigator.