AWS CloudFormation Stack Resource Fn::Sub Function

E1344551 UNEXPLORED

The AWS CloudFormation Stack Resource Fn::Sub function is an intrinsic function that performs string substitution in CloudFormation templates, allowing you to embed variable references and resource attributes directly within string values.

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All labels observed (13)

Label	Occurrences
AWS CloudFormation Stack Resource Fn::Sub Function canonical	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Documentation	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Example Documentation	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Example Mappings	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Example Reference	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Example Usage Guide	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Example Usage Metadata	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Example Usage Outputs	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Guide	1
AWS CloudFormation Stack Resource Fn::Sub Intrinsic Function Reference	1
AWS CloudFormation Stack Resource Fn::Sub Syntax	1
AWS CloudFormation Stack Resource Fn::Sub Template	1

How this entity was disambiguated

This entity first appeared as the object of triple T18800932 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: AWS CloudFormation Stack Resource Fn::Sub Function
Context triple: [AWS CDK, supportsService, AWS CloudFormation Stack Resource Fn::Sub Function]

A. AWS CloudFormation Stack Resource Fn::Select
AWS CloudFormation Stack Resource Fn::Select is an intrinsic function that returns a specific element from a list of values within a CloudFormation template, often used to parameterize and dynamically configure stack resources.
B. AWS CloudFormation Stack Resource Fn::ImportValue
AWS CloudFormation Stack Resource Fn::ImportValue is an intrinsic function that lets you reference and reuse values exported from other CloudFormation stacks, enabling cross-stack resource sharing and modular infrastructure design.
C. CloudFormation CLI
CloudFormation CLI is a command-line tool that helps developers create, test, and manage AWS CloudFormation resource providers and templates programmatically.
D. AWS CloudFormation
AWS CloudFormation is an infrastructure-as-code service that lets users model, provision, and manage AWS and third-party resources using declarative templates.
E. AWS CloudFormation Registry
AWS CloudFormation Registry is a service that lets you discover, manage, and use both AWS and third-party resource types and modules as first-class components in CloudFormation templates.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: AWS CloudFormation Stack Resource Fn::Sub Function
Target entity description: The AWS CloudFormation Stack Resource Fn::Sub function is an intrinsic function that performs string substitution in CloudFormation templates, allowing you to embed variable references and resource attributes directly within string values.

A. AWS CloudFormation Stack Resource Fn::Select
AWS CloudFormation Stack Resource Fn::Select is an intrinsic function that returns a specific element from a list of values within a CloudFormation template, often used to parameterize and dynamically configure stack resources.
B. AWS CloudFormation Stack Resource Fn::ImportValue
AWS CloudFormation Stack Resource Fn::ImportValue is an intrinsic function that lets you reference and reuse values exported from other CloudFormation stacks, enabling cross-stack resource sharing and modular infrastructure design.
C. CloudFormation CLI
CloudFormation CLI is a command-line tool that helps developers create, test, and manage AWS CloudFormation resource providers and templates programmatically.
D. AWS CloudFormation
AWS CloudFormation is an infrastructure-as-code service that lets users model, provision, and manage AWS and third-party resources using declarative templates.
E. AWS CloudFormation Registry
AWS CloudFormation Registry is a service that lets you discover, manage, and use both AWS and third-party resource types and modules as first-class components in CloudFormation templates.
F. None of above. chosen