---
title: "SystemFields"
description: "SystemFields"
url: "https://www.contentstack.com/docs/developers/sdks/content-delivery-sdk/swift/reference/systemfields"
product: "Contentstack"
doc_type: "guide"
audience:
  - developers
  - admins
version: "current"
last_updated: "2026-09-13"
---

# SystemFields

## SystemFields

System Fields are available fields for entities in Contentstack.

The unique identifier of the entity.

The title of the entity.

Describes the date of the entity is created.

Describes the date of the entity is last updated.

## SystemFields | Swift Delivery SDK | Contentstack

SystemFields exposes the built-in fields available for entities in the Contentstack Swift Delivery SDK.