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WorldNormal question

Hi All

Im following a tutorial on Displacement maps, this is the video:
https://youtube.com/watch?v=zE1fqTeWm8c
This is for UDK but works for Unreal 4, except for one element I cant understand.
Its asking in the video for me to insert a WorldNormal parameter, which just has one in, one out.
However I cant find this in unreal 4. There is WorldAlignedNormal, but that brings up a box with many ins and out, and ive tried and I cannot get that to work

If someone could explain how I get the WorldNormal simply parameter up, they can choose 2 free packs from the Arteria3d website

Thankyou in advance

Steve

Could anyone please help here?