JumpZVelocity does not exist

To get to that variable you must first pull from the Character Movement component and then type jumpz and it will show up in the search…like this:

Hi guys,
Im new to UE4 and Im learning by doing through a tutorial, which uses the variable JumpZVelocity. But for me it does not exist. Its a tutorial from 2014, so maybe its outdated or I am missing some basics, because I just jumped into this tutorial.

Unreal Engine 4 Unreal Movement Mechanics (Scrollable Walk Speed & Wall Jump) - Part 2 - YouTube - Im doing the walljump part that starts at 24:00

Thanks for your assist.