This does most of the heavy lifting for you if you set it up. You can assign virtual switches to run scenarios, and a scenario can control any number of switches, routines, SHM and pretty much anything on ST. [BETA] GOOGLE HOME HELPER-From the author of Ask Alexa
I do this now with IFTTT and a virtual switch in Smartthings. Virtual switch on then IFTTT turns on and off multiple switches. After 3 minutes the virtual switch turns off via a power allocation timer in ST to reset itself.
You can have Alexa or Home turn on the virtual switch.
Thanks for the quick reply. I managed to solved this the easy way as described by zebrablinds
I created 2 smart lightning app to trigger the lights when a virtual switch is pressed
That solved my issue