How to get the user back into the skill after Alexa Timers API ends

[ramlag]

Alexa Timers API blog says:

...you can have Alexa speak out when the timer elapses, or issue a customized prompt to return to your skill to continue the customer experience.

Does anyone know how to do that? I have tried the timers api with announcement timer which simply ends the timer with an announcement with no opportunity to get the user back to continue with the skill. I also tried the launch-task timer, but that requires building a custom task outside the skill then routing to it.

Is there a right way to continue after the timer ends with a question that the skill itself can handle?

Thanks in advance for your suggestions!