# DynamicInstructionsBuilder A result builder that combines tools and other content into dynamic instructions. ``` @resultBuilder struct DynamicInstructionsBuilder ``` ## Topics ### Building dynamic instructions [`static func buildBlock() -> EmptyDynamicInstructions`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildBlock()) Creates a builder with an empty block. [`static buildBlock(_:)`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildBlock(_:)) Creates a builder with a block. [`static func buildEither(first: TrueContent) -> ConditionalDynamicInstructions`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildEither(first:)) Creates a builder with the first component. [`static func buildEither(second: FalseContent) -> ConditionalDynamicInstructions`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildEither(second:)) Creates a builder with the second component. [`static buildExpression(_:)`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildExpression(_:)) Creates a builder with a list of tools expression. [`static func buildOptional(Content?) -> Content?`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildOptional(_:)) Creates a builder with an optional component. [`static func buildLimitedAvailability(some DynamicInstructions) -> AnyDynamicInstructions`](/documentation/FoundationModels/DynamicInstructionsBuilder/buildLimitedAvailability(_:)) Creates a builder with limited availability dynamic instructions. --- 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)