How do I keep track of the last time a motion sensor was triggered?

I’m quite new to Home Remote. I see that only a few attributes of my Smart Things devices are accessible. Is there a way to keep track of when my motion sensors were last triggered and store that in a variable? I’d like to display when my last motion sensor went off during the night.

Thanks for your answer

Last motion time will be available in the next release. I actually started working on that last week.

I’m a little bit curious, what else are you missing?

Thanks for your quick reply. Missing: honestly, a good and comprehensive user guide. The videos are great, the online reference guide is excelent. However, a user guide that takes me by the hand and guides me through all features would save such a lot of time. I just started and easily spent 100 hours trial-and-error to find out how everything works. I’m pretty sure that could have been reduced by a factor of 10 or so when I would have had a good user guide. Is there a particular reason to not publish a guide?