Procedural Foliage Volume Simulate node not working

Development Programming & Scripting Blueprint
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1

I made a Procedural Foliage Volume in my landscape with the name PF_MapleTrees and populated it with some trees which works all fine.
Now I want to spawn them in-game after an event like pushing the E-button. Theoretically this could be done with the Allow Landscape boolean and then the Simulate node, just like it works in the editor.
I am able to read and set this Allow Landscape boolean, but the Simulate-node isn’t doing anything.
This image shows my code.

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The official documentation is useless: Simulate | Unreal Engine Documentation and doesn’t even explain what Num Steps is for.
Can anybody help?

2

Hi, AFAIK you cannot do that in-game, but maybe something changed or I missed something when I tried it some time ago.

3

Then what is this Simulate-node for? And all the other Procedural Foliage nodes.