How to setup input to fire when trigger released?

[mostlyhuman]

How would I modify any of the inputs actually to use button holds, button up etc and not just buttondown? Having a little trouble understanding how to customize the inputs beyond the options in the inspector. Also confused on what the Axis button does in the inputs panel because the analog sticks are axis but the axis button is not checked for those and it works fine, also what does the -1 button do? Thanks in advance! 

[Invector]

You need to open the script and change ButtonUp, Down, Timer, Double, etc...
In the inspector, you need to check Axis when using an Axis like LT or RT and the -1 is to get the negative value of the axis instead of the positive