> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gorules.io/llms.txt
> Use this file to discover all available pages before exploring further.

# Swift Rules Engine

> Execute business rules in Swift with the open-source ZEN Engine SDK.

The Swift SDK allows you to execute business rules directly within your iOS application. macOS is not currently supported.

See the [iOS SDK documentation](/developers/sdks/ios) to get started.


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