Which built-in variable should you use to define an event trigger based on the class of a Submit button? Google Tag Manager Fundamentals May 20, 2019April 7, 2020Editorial StaffLeave a Comment on Which built-in variable should you use to define an event trigger based on the class of a Submit button?Built-in Event variableBuilt-in Element variableBuilt-in Click Classes variableBuilt-in Click Target variable