Swift Package Dependency: "No Such Module..." - Why?

Question

Goal: To learn how to add an import to a Swift package.
Modus Operandi: Use an Apple-supplied Example as base. Add another import (i.e., Alamofire)
Result: Alamofire does import; but its module "can't be found".

The Package:

The Sources:

Question: Why is this happening?
What am I missing?

Answer 1

Check the target DeckOfPlayingCards, select the General tab, check Framework, Libraries, and Embedded Contents, make sure Alamofire is on the list