In your Apps Script editor, go to Project Settings and click "Change Project." Enter your Project Number. Configure your OAuth Consent Screen in the GCP Console.
Enter the of your standard GCP project. (If you do not have one, go to the Google Cloud Console, create a new project, and copy the Project Number from the dashboard). Click Set project . Step 2: Configure the OAuth Consent Screen In your Apps Script editor, go to Project
: Converting your script into a verified Google Workspace Add-on removes the banner entirely for all users, though this requires a more formal development and review process. Technical Workarounds In your Apps Script editor
The message " This application was created by a Google Apps Script user go to the Google Cloud Console
Scroll down to the section. Click Change project .