electron/docs/api/structures/activation-arguments.md

ActivationArguments Object

Used on Windows only.

• type string - The type of activation that launched the app: 'click', 'action', or 'reply'.
• arguments string - The raw activation arguments string from Windows.
• actionIndex number (optional) - For 'action' type, the index of the button that was clicked.
• reply string (optional) - For 'reply' type, the text the user entered in the reply field.
• userInputs Record<string, string> (optional) - A dictionary of all user inputs from the notification.