Module 

Header 
/Engine/Source/Runtime/Core/Public/Math/TransformNonVectorized.h 
Include 
#include "Math/TransformNonVectorized.h" 
FTransform operator*
(
const FTransform & Other
) const
Return a transform that is the result of this multiplied by another transform. Order matters when composing transforms : C = A * B will yield a transform C that logically first applies A then B to any subsequent transformation.
new transform: this * Other
Parameter 
Description 

Other 
other transform by which to multiply. 