If you "have formal training in" something, it means that you learned how to do it in school. Here are some examples of things that some people have formal training in:

• cooking
• playing a musical instrument
• acting
• teaching
• computer programming

You usually use this phrase to talk about skills that some people learn in school, but other people learn on their own.

You might notice that the speaker in the example asks "Do you have..." instead of "Did you have formal training?" That's because "training" is something that sticks with a person. Once you're trained to do something, you can say that you "have" that training:

I have training as a lifeguard.

You could say this even if you got your training several years ago.