Fortnite mobile opponents or weapons mark?

How can Fortnite mark mobile opponents and weapons?

Look in settings

You have to insert the mark button. It is not included in the standard control! Go to the menu, then to HUD layout tool, scroll up and drag the mark button to the display.

Okay thanks. I'll try it right now.

Oki

And how do I do that? So which symbol is the one for Markus