PCG Help, can't expand Input node

Development Pipeline & Plugins
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1

I can’t seem to expand the input node on the PCG graph

When I click the down arrow to expand in only shows “ïn”
input, actor, landscape height etc are missing

PCG_Input
PCG_Input1594×1120 45 KB

2

I wanted to find information about these nodes Input, Output in the documentation, but unfortunately I couldn’t find it. I’m just studying PCG

3

I named the new pin Landscape height

4

Hi !
Just found out that they apparently split the landscape input into a " Get Landscape Data " node