I just bought a Blues Junior III and was wondering what would be the best way to record the amp signal into a program like logic?

I have an Digi-Design interface to connect the mac, but was wondering how the signal should be transferred? Is it as simple as just putting any mic against the amp and then running that into the interface?
*reported* This really needs to be in the recordings forum. This forum is for the physical process of playing guitar.
R.I.P. My Signature. Lost to us in the great Signature Massacre of 2014.

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