---
title: "AssetFields"
description: "AssetFields"
url: "https://www.contentstack.com/docs/developers/sdks/content-delivery-sdk/swift/reference/assetfields"
product: "Contentstack"
doc_type: "guide"
audience:
  - developers
  - admins
version: "current"
last_updated: "2026-09-04"
---

# AssetFields

## AssetFields

The Protocol for creating Asset model.

Describes the unique identifier of user who created the entity.

Describes the unique identifier of user who last updated the entity.

The name of the Asset.

The size of the Asset.

The file type of the Asset.

The url for the Asset.

## AssetFields | Swift Delivery SDK | Contentstack

AssetFields is the Swift Delivery SDK protocol for creating an Asset model, defining the fields used to represent media files from Contentstack.