Odin 3.10.6 & flashing TWRP

So, I want to flash the latest version of TWRP to my 920i
My only question is this..

Quote:

Originally Posted by edgarf28 (Post 61601130) - Flash the new TWRP 2.8.7.1 (the one for Android 5.1.1) with Odin This one for the normal S6 models & This one for the Edge models

In Odin 3.10.6, which option do you select to flash TWRP?
I'm assuming BL is for bootloader, CP is for modem - what do you use for the recovery? AP, CSC, or UMS

I don't want to select the wrong thing and brick my phone.