---
title: "getParameter(handle:)"
framework: realitykit
role: symbol
role_heading: Instance Method
path: "realitykit/portalmaterial/getparameter(handle:)"
---

# getParameter(handle:)

Returns the current value of a parameter identified by its precomputed handle, or nil if no value has been set.

## Declaration

```swift
func getParameter(handle: MaterialParameters.Handle) -> MaterialParameters.Value?
```

## Parameters

- `handle`: A handle previously obtained from doc://com.apple.RealityKit/documentation/RealityKit/PortalMaterial/parameterHandle(name:).

## See Also

### Accessing shader parameters

- [getParameter(name:)](realitykit/portalmaterial/getparameter(name:).md)
- [setParameter(name:value:)](realitykit/portalmaterial/setparameter(name:value:).md)
- [setParameter(handle:value:)](realitykit/portalmaterial/setparameter(handle:value:).md)
- [parameterHandle(name:)](realitykit/portalmaterial/parameterhandle(name:).md)