RetroPie n64 controller layout

[EatMyJazz]

Hi all first time posting on here. I'm testing a few n64 roms and I've been editing the InputAutoCfg.ini file to test out certain controller mappings for the xbox one controller I have hooked up. I'm not too familiar with config or .ini files and was wondering if there was a way to set two different buttons for a single input. For example, I want to test out having the Right and/or Left triggers of the xbox one controller correspond to the n64's Z button. With no luck I've tested out the following commented configs for the Z button below:

; Microsoft X-Box One pad (Firmware 2015)_START
[Microsoft X-Box One pad (Firmware 2015)]
plugged = True
plugin = 2
mouse = False
AnalogDeadzone = 4096,4096
AnalogPeak = 32768,32768
Mempak switch = button(11)
Rumblepak switch = button(12)
C Button D = axis(3+) button(1)
C Button L = axis(2-) button(3)
#Z Trig = button(6) button(7) #Z Trig = button(6,7) #Z Trig = button(6) || button(7)
Start = button(9)
Y Axis = axis(1-,1+)
DPad U = hat(0 Up)
C Button U = axis(3-)
A Button = button(0)
DPad D = hat(0 Down)
X Axis = axis(0-,0+)
R Trig = button(5)
DPad R = hat(0 Right)
B Button = button(2)
DPad L = hat(0 Left)
C Button R = axis(2+)
L Trig = button(4)
; Microsoft X-Box One pad (Firmware 2015)_END

Thanks in advance for any help