You’ve decided to try out Construct 3 and use it to make games. Your first step might have been to read and complete the Beginner’s guide to Construct 3 . If yo...
Are you referring to a specific template ? If you do, please mention which one it is.
Otherwise, Containers - construct.net/en/make-games/manuals/construct-3/project-primitives/objects/containers - can be an answer to your question.
Else, it might be picked, thanks to something like an instance variable.
I think he/she is talking about page 5: Instance variables example.