Editing the input configuration file

I am trying to edit the inputs, to be taken from live stream using a webcam.
I have two questions:-

  1. If i edited the input configuration file, should i also add inputs in the axis mappings? or it is sufficient to be added only in the configuration file?

  2. How to write the webcam input in the configuration file? for example this line is written in the default one :-

    -AxisConfig=(AxisKeyName=“MouseX”,AxisProperties=(DeadZone=0.f,Exponent=1.f,Sensitivity=0.07f))

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