I want to get the last user input from chat box.
Using System variable "Activity.Text" in preview version of PVA, able to get last user input. But how to achieve this same in production version of PVA?

I want to get the last user input from chat box.
Using System variable "Activity.Text" in preview version of PVA, able to get last user input. But how to achieve this same in production version of PVA?