# DynamicLightShadowComponent A component that controls an entity’s shadow from dynamic (virtual) lights. ``` struct DynamicLightShadowComponent ``` ## Overview Use `DynamicLightShadowComponent` to control whether an entity casts shadows from dynamic (virtual) lights. Dynamic lights cast shadows on other virtual objects, but not on physical objects. You can add a dynamic light shadow component to any entity that has a [`ModelComponent`](/documentation/RealityKit/ModelComponent) in its component set by adding a dynamic light shadow component to the entity’s [`components`](/documentation/RealityKit/Entity/components) property. ```swift if let model = try? await ModelEntity(named: "tv_retro") { let shadowComponent = DynamicLightShadowComponent(castsShadow: false) model.components.set(shadowComponent) } ``` You need to add the dynamic lights shadow component to each entity you want to apply the effect to because the dynamic light shadow component doesn’t apply to hierarchies. > Note: By default, without a dynamic light shadow component, entities cast > shadows from dynamic lights. ## Topics ### Initializers [`init(castsShadow: Bool)`](/documentation/RealityKit/DynamicLightShadowComponent/init(castsShadow:)) Creates a dynamic light shadow component. ### Instance Properties [`var castsShadow: Bool`](/documentation/RealityKit/DynamicLightShadowComponent/castsShadow) A Boolean value that indicates whether an entity casts a shadow. ## Relationships ### Conforms To [`Component`](/documentation/RealityKit/Component) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)