---
title: "init(name:semantic:url:)"
framework: modelio
role: symbol
role_heading: Initializer
path: "modelio/mdlmaterialproperty/init(name:semantic:url:)-2ldk4"
---

# init(name:semantic:url:)

Initializes a material property with a URL value.

## Declaration

```swift
convenience init(name: String, semantic: MDLMaterialSemantic, url URL: URL?)
```

## Parameters

- `name`: A descriptive name for the material property. For details, see the doc://com.apple.modelio/documentation/ModelIO/MDLMaterialProperty/name property.
- `semantic`: The semantic meaning for the material property’s value. For details, see the doc://com.apple.modelio/documentation/ModelIO/MDLMaterialProperty/semantic property.
- `URL`: The URL value for the material property—typically, the URL to a texture image.

## Return Value

Return Value A new material property object whose type property is MDLMaterialPropertyType.URL.

## Discussion

Discussion A renderer (or other software component processing a material) is responsible for loading a texture image from the specified URL.

## See Also

### Creating a Material Property

- [init(name:semantic:)](modelio/mdlmaterialproperty/init(name:semantic:).md)
- [init(name:semantic:string:)](modelio/mdlmaterialproperty/init(name:semantic:string:).md)
- [init(name:semantic:textureSampler:)](modelio/mdlmaterialproperty/init(name:semantic:texturesampler:).md)
- [init(name:semantic:color:)](modelio/mdlmaterialproperty/init(name:semantic:color:).md)
- [init(name:semantic:float:)](modelio/mdlmaterialproperty/init(name:semantic:float:).md)
- [init(name:semantic:float2:)](modelio/mdlmaterialproperty/init(name:semantic:float2:).md)
- [init(name:semantic:float3:)](modelio/mdlmaterialproperty/init(name:semantic:float3:).md)
- [init(name:semantic:float4:)](modelio/mdlmaterialproperty/init(name:semantic:float4:).md)
- [init(name:semantic:matrix4x4:)](modelio/mdlmaterialproperty/init(name:semantic:matrix4x4:).md)