Are you looking to this mechanic into a game project, or are you trying to debug a specific software process?

: In many versions, machines cannot be attached while the vehicle is running or if the player is still inside the cab. Development Contexts

: In tax or document software like Lacerte , manual attaching of PDFs was previously required before "Auto-Attach" features were developed to save thousands of hours of manual labor.

: Players must stand between the vehicle and the implement to "hit" the attach button.