What portfolio artifacts or dashboards do you ask candidates to share, and how do you verify their role in building them?

I always want an example of a marketing campaign front to back that this person was primarily responsible for (usually in slides, but I don't mind just a notion/google do...

For me, the artifact matters less than how they use it. I’m looking for evidence of how someone thinks, not just what they shipped.I’ll usually ask for them to walk me th...