I have a scenario wherein, My skill is playing a song. I want to build this skill as ISP. I have only one content(URL).
As per policy, for One time purchase skills, user should get some content free and then other content can be charged based on the experience. Since I have only content which plays constantly I want it to be offered for some days and then I may charge the users based on their experience.
For e.g., I want that first 3 days after any user activates my skill, he gets to listen radio for free. After 3 days, I want to charge user basis the specified ISP specifications. I am implementing this in Node JS. I want your help in,
1. How do i check skill activation date(enablement) per user?
2. How do i validate skill activation date for every user and invoke paid intent?