Suppose a Wizard/7 is in possession of a Scroll of Limited Wish (CL 13).
She can attempt to activate the scroll without using UMD, but she must make a caster level check vs DC 14.
Can she instead make a DC 33 UMD check to emulate a Wizard/13, and therefore not need to make a caster level check?
The UMD rules text in question is:
PFSRD wrote:
Emulate a Class Feature: Sometimes you need to use a class feature to activate a magic item. In this case, your effective level in the emulated class equals your Use Magic Device check result minus 20....