Search whole monticello repository for a class

Hi,

I was looking for the possibility to search the whole monticello
repository for a certain class.
I assume, that this is not possible. Right?

I am coming from the envy world and there I was using it sometimes.
Today I would need it in this case

http://forum.world.st/Update-Zinc-SSO-now-supports-Dropbox-td4665692i20.html#a4668410

Greetings
Sabine