Can't remember if I've asked this before... If I have, please bear with me!

Big dog (GSD) is a very sniffy dog. Loves to get her nose into stuff. I'm wondering if she'd take to being a sniffer dog and maybe do search and rescue one day.

I've had a bit of a Google and know that the search and rescue bit is geographical location specific, so that's on the back burner for a while, but I'd like to get her started, see if she takes to it

It would appear that they're are different methods, etc., so I'm not sure which to try. I don't want to confuse her! She's not the brightest button in the box at the best of times But she does love to please and to get attention from her people, so I think that if I can get it right it should be good fun

Any suggestions as to the best route to follow folks?