Take a look at blocking volumes those can be used for that sort of thing.
how I can do invisible wall to block specific class actor
and the actor can cross but can’t go back
I know but I want the invisible wall to let me cross but I can back or the physical object.
You’re blocking volume can block certain object channels.
If the player can pass through but not other pawns, you need a dedicated collision channel created from the project settings > collision.
On the blocking volume, your custom collision channel can be set to ignore while Pawns are blocked.
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You can just use a collision box for that and add some logic in the level blueprint, that will set the collision box to block all after the player crossed over to the other side. Set this collision box to overlap all by default.
I’m already did it this way but I’m try to search for easy way to do it.