Description: Instance Parameters in Unreal Engine are specific adjustments that allow for the modification of properties of individual instances of materials or actors within a project. These parameters are fundamental for the customization and optimization of elements in a video game development environment. By using instance parameters, developers can create variations of the same material or actor without the need to duplicate resources, saving memory and improving workflow efficiency. For example, a surface material may have instance parameters that control color, roughness, or texture, allowing each instance of that material to have unique characteristics. This not only facilitates the creation of visually rich and diverse environments but also allows for real-time adjustments, which is crucial during the design and testing process. The ability to modify these parameters intuitively through game development tools provides designers with a powerful tool to experiment and refine their creations, ensuring that each game element aligns with the desired artistic and functional vision.