# Schema.Index ``` final class Index where T : PersistentModel ``` ## Topics ### Initializers [`init(Schema.Index.Types...)`](/documentation/SwiftData/Schema/Index/init(_:)-4i37e) [`init([PartialKeyPath]...)`](/documentation/SwiftData/Schema/Index/init(_:)-527in) ### Instance Properties [`let indices: [Schema.Index.Types]`](/documentation/SwiftData/Schema/Index/indices) ### Enumerations [`enum CodingKeys`](/documentation/SwiftData/Schema/Index/CodingKeys) [`enum Types`](/documentation/SwiftData/Schema/Index/Types) ## Relationships ### Conforms To [`Equatable`](/documentation/Swift/Equatable) [`Encodable`](/documentation/Swift/Encodable) [`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible) [`SchemaProperty`](/documentation/SwiftData/SchemaProperty) [`Hashable`](/documentation/Swift/Hashable) [`Decodable`](/documentation/Swift/Decodable) --- Copyright © 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)