How can APEX Clothing interactive with the ue4 sence?

hello i have success import a apex cloth to ue4 but it only can active when i drag it

however,i need it collision with the sence,

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isthere someone know how to do?

any body know this?

ok
i found it had to make some invisible box at the collision side of the components where you need to collision with. for apex have some lake of collision