Step 1- go to callsign
step 2- go to clan tag
Step 3- click rt (accents)
step 4- (must be caps) click the accent under the 2
step 5- pick any of these bellow
Letter Codes:

D=Y button
B=B button
S= RT
R=LT
T=Up on the dpad
O= Back button
U= Down on the Dpad
V= Left On the Dpad
W= Right on the Dpad
J= Invisible gamer tag
A= A button
C= X button
E= LB
F= RB
M= invisible or name is under clan Tag or makes your gamer tag inside your clan tag
N= Start button
P= Ls
Q= Rs
Step 6 click start (done)
step 7 click start again
step 8 click start again