Trending @Infosys; SkillTag Related Information

Hi guys, I’m a senior associate consultant and my domain is PEGA, I have been hearing a lot of people talk about something called skilltag and incentives they get completing it. I need information on how to do the same and what are the prerequisites basically A-Z of skilltag. Requesting people who read and are aware of this to please guide me on this. Thanks in advance guys.