I’m doing a time trial mode and I want to make it pause the clock I set when you complete all the objectives, any ideas?
And how do I stop it when the objectives are completed?
youll see there are 2 custom events, start time and stop time, simply call the stop time event when the last objective is complete
You can also use these two events to pause and unpause the timer too (e.g. if the player pauses the game…)
If you’re happy with that feel free to mark it as the solution for others
Sory, but isn’t a timeline overkill? 
it’s up to you, just how I do it - found no issues myself