# ProgressManager An object that conveys ongoing progress to the user for a specified task. ``` @dynamicMemberLookup final class ProgressManager ``` ## Topics ### Protocols [`protocol Property`](/documentation/Foundation/ProgressManager/Property) A type that conveys additional task-specific information on progress. ### Initializers [`convenience init(totalCount: Int?)`](/documentation/Foundation/ProgressManager/init(totalCount:)) Initializes `self` with `totalCount`. ### Instance Properties [`var completedCount: Int`](/documentation/Foundation/ProgressManager/completedCount) The completed units of work. [`var fractionCompleted: Double`](/documentation/Foundation/ProgressManager/fractionCompleted) The proportion of work completed. This takes into account the fraction completed in its children instances if children are present. If `self` is indeterminate, the value will be 0.0. [`var isFinished: Bool`](/documentation/Foundation/ProgressManager/isFinished) The state of completion of work. If `completedCount` >= `totalCount`, the value will be `true`. [`var isIndeterminate: Bool`](/documentation/Foundation/ProgressManager/isIndeterminate) The state of initialization of `totalCount`. If `totalCount` is `nil`, the value will be `true`. [`var reporter: ProgressReporter`](/documentation/Foundation/ProgressManager/reporter) A `ProgressReporter` instance, used for providing read-only observation of progress updates or composing into other `ProgressManager`s. [`var totalCount: Int?`](/documentation/Foundation/ProgressManager/totalCount) The total units of work. ### Instance Methods [`func assign(count: Int, to: Progress)`](/documentation/Foundation/ProgressManager/assign(count:to:)-87zdf) Adds a Foundation’s `Progress` instance as a child which constitutes a certain `count` of `self`’s `totalCount`. [`func assign(count: Int, to: ProgressReporter)`](/documentation/Foundation/ProgressManager/assign(count:to:)-98a77) Adds a `ProgressReporter` as a child, with its progress representing a portion of `self`’s progress. [`func complete(count: Int)`](/documentation/Foundation/ProgressManager/complete(count:)) Increases `completedCount` by `count`. [`func setCounts((inout Int, inout Int?) -> Void)`](/documentation/Foundation/ProgressManager/setCounts(_:)) [`func subprogress(assigningCount: Int) -> Subprogress`](/documentation/Foundation/ProgressManager/subprogress(assigningCount:)) Returns a `Subprogress` representing a portion of `self` which can be passed to any method that reports progress. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-3kyy8) Returns a summary for a custom URL property across the progress subtree. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-3r60q) Returns a summary for a custom integer property across the progress subtree. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-3voby) Returns a summary for a custom double property across the progress subtree. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-73lzs) Returns a summary for a custom duration property across the progress subtree. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-7jb53) Returns a summary for a custom unsigned integer property across the progress subtree. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-bfr7) Returns a summary for a custom string property across the progress subtree. [`func summary

(of: KeyPath) -> P.Summary`](/documentation/Foundation/ProgressManager/summary(of:)-txm5) Returns a summary for a custom unsigned integer property across the progress subtree. ### Subscripts [`subscript

(dynamicMember _: KeyPath) -> Int`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-1qb7p) Gets or sets custom integer properties. [`subscript

(dynamicMember _: KeyPath) -> String?`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-5rh0j) Gets or sets custom string properties. [`subscript

(dynamicMember _: KeyPath) -> Duration`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-5rw99) Gets or sets custom duration properties. [`subscript

(dynamicMember _: KeyPath) -> P.Value`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-62at9) Gets or sets custom double properties. [`subscript

(dynamicMember _: KeyPath) -> UInt64`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-7h16n) Gets or sets custom unsigned integer properties. [`subscript

(dynamicMember _: KeyPath) -> URL?`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-7r4v2) Gets or sets custom URL properties. [`subscript

(dynamicMember _: KeyPath) -> UInt64`](/documentation/Foundation/ProgressManager/subscript(dynamicMember:)-8tb3b) Gets or sets custom unsigned integer properties. ### Enumerations [`enum Properties`](/documentation/Foundation/ProgressManager/Properties) ### Default Implementations [CustomDebugStringConvertible Implementations](/documentation/Foundation/ProgressManager/CustomDebugStringConvertible-Implementations) [CustomStringConvertible Implementations](/documentation/Foundation/ProgressManager/CustomStringConvertible-Implementations) [Equatable Implementations](/documentation/Foundation/ProgressManager/Equatable-Implementations) ## Relationships ### Conforms To [`Observable`](/documentation/Observation/Observable) [`Sendable`](/documentation/Swift/Sendable) [`Equatable`](/documentation/Swift/Equatable) [`Escapable`](/documentation/Swift/Escapable) [`CustomStringConvertible`](/documentation/Swift/CustomStringConvertible) [`Copyable`](/documentation/Swift/Copyable) [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Hashable`](/documentation/Swift/Hashable) [`CustomDebugStringConvertible`](/documentation/Swift/CustomDebugStringConvertible) --- 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)