---
title: motionEndBorderMode
framework: metal
role: symbol
role_heading: Instance Property
path: metal/mtl4primitiveaccelerationstructuredescriptor/motionendbordermode
---

# motionEndBorderMode

Configures the motion border mode.

## Declaration

```swift
var motionEndBorderMode: MTLMotionBorderMode { get set }
```

## Discussion

Discussion This property controls what happens if Metal samples the acceleration structure after motionEndTime. Its default value is MTLMotionBorderModeClamp.