Snap a mesh socket to another socket

Development Asset Creation
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1

How i can make a mesh socket to snap to another mesh socket? It’s a bit hard to explain for me but look the picture.

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2

I’m doing this on the fly off the top of my head so there might be errors, but something like this:

FTransform SocketTrans= MyActorB->GetMesh()->GetSocketTransform() * MyActorB->GetTransform().Inverse();
MyActorB->AttachRootComponentTo(/*ActorA*/GetMesh(), "ActorASocket", EAttachLocation::SnapToTarget, true);
FRotator DesiredLocalRotation(0.0f, 0.0f, 180.0f); // any initial rotation you want
FVector NewOfs = DesiredLocalRotation.RotateVector(SocketTrans.GetLocation());
MyActorB->SetActorRelativeRotation(DesiredLocalRotation);
MyActorB->SetActorRelativeLocation(NewOfs);

Note in your example you rotated ‘B’ 180 degrees, so I added that into my code, but it can be any rotation.