How Can I Record on iPad With an External Mic?

Episode 1791 (2:19:00)

George from LA, CA
GarageBand

Dennis is using GarageBand on the iPad and wants to know how he can use an external microphone and turn off the iPad's mic. The problem is how Dennis is connecting. Leo says to use a USB microphone like the Shure Motiv. The Microphone will be seen by the iPad and get used instead of the onboard mic.