Requirement
IRI: https://w3id.org/altium/cdm/requirement/Requirement
Bounded context: requirements
A single, testable statement of intent or constraint that governs a solution or process outcome.
Platform API
GRID (1)
grid:workspace:{workspace-id}:requirements:requirement/{id}
Diagram
---
config:
layout: elk
theme: neutral
class:
hideEmptyMembersBox: true
---
classDiagram
direction LR
class req_requirement["Requirement"]
style req_requirement fill:#f6b26b
click req_requirement href "../../classes/req_requirement/"
req_requirement --> "*" req_requirement_revision : revisions
click req_requirement_revision href "../../classes/req_requirement_revision/"
class req_requirement_revision["Requirement Revision"]
style req_requirement_revision fill:#f6b26b
req_requirement --> "*" req_requirement : children
click req_requirement href "../../classes/req_requirement/"
class req_requirement["Requirement"]
style req_requirement fill:#f6b26b
req_requirement --> "*" req_artifact : satisfiedBy
click req_artifact href "../../classes/req_artifact/"
class req_artifact["Requirement Artifact"]
style req_artifact fill:#f6b26b
req_requirement --> "*" Activity : verifiedBy
click Activity href "../../classes/Activity/"
class Activity["Activity"]
req_requirement --> "*" req_artifact : tracedFrom
click req_artifact href "../../classes/req_artifact/"
class req_artifact["Requirement Artifact"]
style req_artifact fill:#f6b26b
req_requirement : key
req_requirement : title
req_requirement : statement
req_requirement : rationale
req_requirement : category
req_requirement : priority
req_requirement : acceptanceCriteria
req_requirement : owner
req_requirement : sourceReference
req_requirement : id
class req_requirement["Requirement"]
style req_requirement fill:#f6b26b
req_requirement --> "*" req_requirement: children
click req_requirement href "../../classes/req_requirement/"
class req_requirement_revision["Requirement Revision"]
style req_requirement_revision fill:#f6b26b
req_requirement_revision --> "1" req_requirement: revision of
click req_requirement_revision href "../../classes/req_requirement_revision/"
class req_requirement_specification["Requirement Specification"]
style req_requirement_specification fill:#f6b26b
req_requirement_specification --> "1..*" req_requirement: requirements
click req_requirement_specification href "../../classes/req_requirement_specification/"
class req_requirement_baseline["Requirement Baseline"]
style req_requirement_baseline fill:#f6b26b
req_requirement_baseline --> "1..*" req_requirement: includesRequirements
click req_requirement_baseline href "../../classes/req_requirement_baseline/"
class req_requirement_change_request["Requirement Change Request"]
style req_requirement_change_request fill:#f6b26b
req_requirement_change_request --> "1..*" req_requirement: impactsRequirements
click req_requirement_change_request href "../../classes/req_requirement_change_request/"
class req_verification_case["Verification Case"]
style req_verification_case fill:#f6b26b
req_verification_case --> "1..*" req_requirement: validatesRequirements
click req_verification_case href "../../classes/req_verification_case/"
Comments
Requirements aggregate rationales, acceptance criteria, and trace links needed to drive downstream design and verification.
Inheritance
Fields
| Name | Cardinality | Type | Description | Inheritance |
|---|---|---|---|---|
| id | 1 |
GRID | Globally unique identifier across the whole platform. | Entity |
| revisions | * |
Requirement Revision | None | direct |
| children | * |
Requirement | Requirements that refine or decompose this requirement. | direct |
| satisfiedBy | * |
Requirement Artifact | Artifacts, designs, or solutions that implement this requirement. | direct |
| verifiedBy | * |
Activity | Verification activities that produce evidence for this requirement. | direct |
| tracedFrom | * |
Requirement Artifact | Upstream sources such as contracts, standards, or customer requests. | direct |
| key | 1 |
string | Human-friendly identifier that is unique within a specification context (e.g. SYS-001). | direct |
| title | 1 |
string | Concise human-readable title of the requirement. | direct |
| statement | 1 |
string | Canonical textual form of the requirement. | direct |
| rationale | 0..1 |
string | Justification or reasoning that motivates the requirement intent. | direct |
| category | 0..1 |
string | Classification such as functional, safety, regulatory, or usability. | direct |
| priority | 0..1 |
string | Relative importance or sequencing hint for planning. | direct |
| acceptanceCriteria | * |
string | Objective criteria or measurements that prove the requirement is met. | direct |
| owner | 0..1 |
string | Responsible role or team accountable for the requirement. | direct |
| sourceReference | * |
uriorcurie | Link or citation to originating contract, regulation, or customer input. | direct |
Identifier and Mapping Information
Annotations
| property | value |
|---|---|
| grid | grid:workspace:{workspace-id}:requirements:requirement/{id} |
| maturity | EXPERIMENTAL |