What does it mean when 당신 get tagged?

When 당신 get tagged, 당신 have to make a video styaing 5 facts about yourself and tag 5 yt 프렌즈 of yours who make videos

A tag is words about your video. Almost all people write the characters in the video. If 당신 get tagged it doesn't mean that you're play tag, it means that 당신 are in the video!