Certified Sales Person

Hello everyone,

I want to go through sales training to improve my skills and get a certificate.

Has anyone ever heard of or maybe passed NASP training?

Here's the link for this program:

https://www.nasp.com/programs/certified-professional-sales-person-cpsp/?utm_source=foru
I would like to know specifically about their courses. I will appreciate the feedback.

Thank you in advance.