Gah - a solution with more questions. – EntropicLqd

From Unreal Wiki, The Unreal Engine Documentation Site

[edit] Properties

float LastRenderedTime 

int MultiDecalLevel 

array<int> SurfList 

[edit] Functions

bool AttachDecal( float TraceDistance , optional vector DecalDir )

Trace forward and attach this decal to surfaces.

DetachDecal( )

Detach this decal from all surfaces.

[edit] Events

BeginPlay( )

Destroyed( )

Update( Actor L )