# IKRig.Constraint.IKPositionDemand A definition of a positional demand. ``` struct IKPositionDemand ``` ## Topics ### Initializers [`init()`](/documentation/RealityKit/IKRig/Constraint/IKPositionDemand/init()) Creates a positional demand with default settings. ### Instance Properties [`var influenceDepthMaxJointCount: Int`](/documentation/RealityKit/IKRig/Constraint/IKPositionDemand/influenceDepthMaxJointCount) The number of joints to be influenced by this demand. [`var mode: IKRig.Constraint.IKPositionDemand.Mode`](/documentation/RealityKit/IKRig/Constraint/IKPositionDemand/mode-swift.property) The mode of the positional demand. [`var weight: SIMD3`](/documentation/RealityKit/IKRig/Constraint/IKPositionDemand/weight) The per-axis weight this demand has on the pose. ### Enumerations [`enum Mode`](/documentation/RealityKit/IKRig/Constraint/IKPositionDemand/Mode-swift.enum) Describes the acting modes of positional demands. --- 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)