# AttributedString.AttributeInvalidationCondition ``` struct AttributeInvalidationCondition ``` ## Topics ### Type Properties [`static let textChanged: AttributedString.AttributeInvalidationCondition`](/documentation/Foundation/AttributedString/AttributeInvalidationCondition/textChanged) ### Type Methods [`static func attributeChanged(KeyPath) -> AttributedString.AttributeInvalidationCondition`](/documentation/Foundation/AttributedString/AttributeInvalidationCondition/attributeChanged(_:)-1vgwv) [`static func attributeChanged(T.Type) -> AttributedString.AttributeInvalidationCondition`](/documentation/Foundation/AttributedString/AttributeInvalidationCondition/attributeChanged(_:)-4jci1) ## Relationships ### Conforms To [`SendableMetatype`](/documentation/Swift/SendableMetatype) [`Equatable`](/documentation/Swift/Equatable) [`Sendable`](/documentation/Swift/Sendable) [`Hashable`](/documentation/Swift/Hashable) --- 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)