---
title: argumentTableDescriptor
framework: realitykit
role: symbol
role_heading: Instance Property
path: realitykit/lowlevelmaterialresource/function/argumenttabledescriptor
---

# argumentTableDescriptor

The argument table descriptor that describes the buffer and texture slots this function requires, or nil if the function takes no per-draw arguments.

## Declaration

```swift
var argumentTableDescriptor: LowLevelArgumentTable.Descriptor? { get }
```

## See Also

### Configuring the function

- [parameterMapping](realitykit/lowlevelmaterialresource/function/parametermapping.md)