---
title: "init(specification:)"
framework: coreml
role: symbol
role_heading: Initializer
path: "coreml/mlmodelasset/init(specification:)"
---

# init(specification:)

Creates a model asset from an in-memory model specification.

## Declaration

```swift
convenience init(specification specificationData: Data) throws
```

## Parameters

- `specificationData`: The contents of a .mlmodel as a data blob.

## See Also

### Creating a model asset

- [init(specification:blobMapping:)](coreml/mlmodelasset/init(specification:blobmapping:).md)
- [init(url:)](coreml/mlmodelasset/init(url:)-43988.md)