% firebase init

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You're about to initialize a Firebase project in this directory:

  /Users/myuser/myfolder

? Which Firebase features do you want to set up for this directory? Press Space to select features, then Enter to confirm your choices. Firestore: Configure security rules and indexes files for Firestore, Functions: Configure a Cloud Functions directory and its files, Hosting: Configure files for Firebase Hosting and (optionally) set up GitHub Action deploys, Storage: Configure a security rules file for Cloud Storage, Emulators: Set up local emulators for Firebase products

=== Project Setup

First, let's associate this project directory with a Firebase project.
You can create multiple project aliases by running firebase use --add, 
but for now we'll just set up a default project.

? Please select an option: Create a new project
i  If you want to create a project in a Google Cloud organization or folder, please use "firebase projects:create" instead, and return to this command when you've created the project.
? Please specify a unique project id (warning: cannot be modified afterward) [6-30 characters]:
 helloworld
? What would you like to call your project? (defaults to your project ID) 
✖ Creating Google Cloud Platform project

Error: Failed to create project because there is already a project with ID helloworld. Please try again with a unique project ID.