How do you change your snap c hat name plz?

You can't change your username but you can change your name.

Explanation:

Tap on the friend's name you'd like to change. Tap on the settings icon that appears next to their name off to the right. Tap on Edit Name in the popup menu. Type in the name you'd like to appear when this person communicates with you.

answer; i believe the correct answer is : communicate safe work practices;