where do we submit the code to verity if the name is available

[muvhango]

i am trying to verify  the username from editing the code but i do not know where to submit the code. i checked the domumentation but it only advice on how to edit the code but it does not mention where to sbmit the code. 

[ITWhisperer]

Which code are you talking about? Where are you trying to submit it to? Where are you editing this code?