How do I get the tf_populator entity into my MvM map?

I've googled, I've searched with no response on how I'm supposed to get a tf_populator point entity into my map.

It doesn't show up in the entity list, I've been informed that's normal.

I can't copy it from things like a decompiled decoy because it doesn't exist as an entity when I open it up with hammer (decoy referenced a game_populator that doesn't exist in the map).

Any help on this? Thanks.

WolfKit said:

It's dynamically created by the MvM coding. You don't have to create it in hammer.

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Oh okay, so what file is it created in for me to set which .pop file it needs to use?

henke37 said:

Let me rephrase that into something meaningful: "How do I specify which pop file the map should use?"

The server admin can load any pop file manually. The default one has the same name as the map, but with a different extension.

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Oh, my map wasn't loading a .pop file by default. It would have the ready up and everything, but the wave would just act never-ending, no bots, no tanks, no support.