1. Do to the page https://gitlab.mff.cuni.cz/ and log into the system using your SIS login name and password (using option MFF, not Standard )
   
2. At the top right corner, you see a circle with a letter(s), in my case "D")
   
3. Click here and you see your git name, in my case "@dolejsi")
   
4. send me this name by email