---
title: "modelDescription(completionHandler:)"
framework: coreml
role: symbol
role_heading: Instance Method
path: "coreml/mlmodelasset/modeldescription(completionhandler:)"
---

# modelDescription(completionHandler:)

The default model descripton.

## Declaration

```swift
func modelDescription(completionHandler handler: @escaping @Sendable (MLModelDescription?, (any Error)?) -> Void)
```

```swift
var modelDescription: MLModelDescription { get async throws }
```

## Discussion

Discussion Use this method to get the description of the model such as the feature descriptions, the model author, and other metadata. For the multi-function model asset, this method vends the description for the default function. Use modelDescription(for:) to get the model description of other functions. let modelAsset = try MLModelAsset(url: modelURL) let modelDescription = try await modelAsset.modelDescription() print(modelDescription)

## See Also

### Getting the model description

- [modelDescription(ofFunctionNamed:completionHandler:)](coreml/mlmodelasset/modeldescription(offunctionnamed:completionhandler:).md)