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

# getParameter(name:)

Returns the current value of a parameter by name, or nil if no value has been set.

## Declaration

```swift
func getParameter(name: String) -> MaterialParameters.Value?
```

## Parameters

- `name`: The name of the parameter as declared in the shader graph.

## See Also

### Accessing shader parameters

- [getParameter(handle:)](realitykit/portalmaterial/getparameter(handle:).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)