Learn how to control and dynamically rotate decals inside Unreal Engine 5.4 Niagara! In this tutorial, we explore two different approaches: using the classic Component Renderer method and the dedicated Decal Renderer, covering both initial orientation and continuous real-time rotation updates over time. 
https://dev.epicgames.com/community/learning/tutorials/vy7l7/unreal-engine-dynamic-decal-rotation-in-ue5-4-niagara