# setIntersectionFunctionTables(_:range:) Encodes references to an array of ray-tracing intersection-function tables into the argument buffer. ``` func setIntersectionFunctionTables(_ intersectionFunctionTables: [(any MTLIntersectionFunctionTable)?], range: Range) ``` ## Parameters `intersectionFunctionTables` An array of intersection-function tables the method encodes. `range` A range of indices within the argument buffer for each element in `intersectionFunctionTables`. The values correspond to either the index IDs of declarations in Metal Shading Language (MSL) or the [`index`](/documentation/Metal/MTLArgumentDescriptor/index) property of [`MTLArgumentDescriptor`](/documentation/Metal/MTLArgumentDescriptor) instances. --- 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)