Google Tag Manager Fundamentals What Kind Of Variable Should Be Used For A Reusable Google Analytics Property ID Variable? By Editor Staff - May 8, 2020 0 60 Facebook Twitter Pinterest WhatsApp ReddIt Linkedin Email Print Tumblr Telegram Mix VK Digg LINE Viber Naver User-defined Constant variable User-defined Data Layer variable Built-in Event variable Built-in Click Classes variable Answer: A / User-defined Constant variable