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init(fetchRequest:sectionIdentifier:transaction:)

Creates a fully configured sectioned fetch request that uses the specified transaction when updating results.

Declaration

@MainActor @preconcurrency init(fetchRequest: NSFetchRequest<Result>, sectionIdentifier: KeyPath<Result, SectionIdentifier>, transaction: Transaction)

Parameters

  • fetchRequest:

    An Nsfetchrequest instance that describes the search criteria for retrieving data from the persistent store.

  • sectionIdentifier:

    A key path that SwiftUI applies to the Result type to get an object’s section identifier.

  • transaction:

    A transaction to use for user interface changes that result from changes to the fetched results.

Discussion

Use this initializer if you need a fetch request with updates that affect the user interface based on a Transaction. Otherwise, use init(fetchRequest:sectionIdentifier:animation:).

See Also

Creating a fully configured fetch request