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Class: Observation

Describes an individual observation.

URI: [oscal:Observation](https://w3id.org/lmodel/oscal/Observation) 
 classDiagram
    class Observation
    click Observation href "../Observation/"
      OscalCommon <|-- Observation
        click OscalCommon href "../OscalCommon/"

      Observation : collected

      Observation : description

      Observation : expires

      Observation : links





        Observation --> "*" Link : links
        click Link href "../Link/"



      Observation : methods

      Observation : origins





        Observation --> "*" Origin : origins
        click Origin href "../Origin/"



      Observation : props





        Observation --> "*" Property : props
        click Property href "../Property/"



      Observation : relevant_evidence





        Observation --> "*" RelevantEvidence : relevant_evidence
        click RelevantEvidence href "../RelevantEvidence/"



      Observation : remarks

      Observation : subjects





        Observation --> "*" SubjectReference : subjects
        click SubjectReference href "../SubjectReference/"



      Observation : title

      Observation : types

      Observation : uuid
## Inheritance * **Observation** [ [OscalCommon](OscalCommon.md)] ## Slots | Name | Cardinality and Range | Description | Inheritance | | --- | --- | --- | --- | | [uuid](uuid.md) | 1
[UUIDType](UUIDType.md) | A machine-oriented, globally unique identifier with a cross-instance scope | direct | | [title](title.md) | 0..1
[MarkupLineType](MarkupLineType.md) | A human-readable name or title | direct | | [description](description.md) | 1
[MarkupMultilineType](MarkupMultilineType.md) | A human-readable description | direct | | [methods](methods.md) | 1..*
[String](String.md) or 
[ObservationMethodEnum](ObservationMethodEnum.md) | Identifies how the observation was made | direct | | [types](types.md) | *
[String](String.md) or 
[ObservationTypeEnum](ObservationTypeEnum.md) | Identifies the nature of the observation | direct | | [origins](origins.md) | *
[Origin](Origin.md) | Identifies the source of observations, findings, or risks | direct | | [subjects](subjects.md) | *
[SubjectReference](SubjectReference.md) | Assessment subjects or subject references for this object | direct | | [relevant_evidence](relevant_evidence.md) | *
[RelevantEvidence](RelevantEvidence.md) | Links the observation to relevant evidence | direct | | [collected](collected.md) | 1
[DateTimeWithTimezoneType](DateTimeWithTimezoneType.md) | Date/time stamp identifying when the finding information was collected | direct | | [expires](expires.md) | 0..1
[DateTimeWithTimezoneType](DateTimeWithTimezoneType.md) | Date/time identifying when the finding information is no longer considered va... | direct | | [remarks](remarks.md) | 0..1
[MarkupMultilineType](MarkupMultilineType.md) | Additional commentary about the containing object | [OscalCommon](OscalCommon.md) | | [props](props.md) | *
[Property](Property.md) | A list of properties | [HasPropsAndLinks](HasPropsAndLinks.md) | | [links](links.md) | *
[Link](Link.md) | A list of links | [HasPropsAndLinks](HasPropsAndLinks.md) | ## Usages | used by | used in | type | used | | --- | --- | --- | --- | | [Result](Result.md) | [observations](observations.md) | range | [Observation](Observation.md) | | [PlanOfActionAndMilestones](PlanOfActionAndMilestones.md) | [observations](observations.md) | range | [Observation](Observation.md) | ## In Subsets * [AssessmentCommon](AssessmentCommon.md) ## Identifier and Mapping Information ### Schema Source * from schema: https://w3id.org/lmodel/oscal ## Mappings | Mapping Type | Mapped Value | | --- | --- | | self | oscal:Observation | | native | oscal:Observation | ## LinkML Source ### Direct 
name: Observation
description: Describes an individual observation.
in_subset:
- assessment_common
from_schema: https://w3id.org/lmodel/oscal
mixins:
- OscalCommon
slots:
- uuid
- title
- description
- methods
- types
- origins
- subjects
- relevant-evidence
- collected
- expires
slot_usage:
  uuid:
    name: uuid
    required: true
  description:
    name: description
    required: true
  subjects:
    name: subjects
    range: SubjectReference
  methods:
    name: methods
    required: true
  collected:
    name: collected
    required: true
### Induced 
name: Observation
description: Describes an individual observation.
in_subset:
- assessment_common
from_schema: https://w3id.org/lmodel/oscal
mixins:
- OscalCommon
slot_usage:
  uuid:
    name: uuid
    required: true
  description:
    name: description
    required: true
  subjects:
    name: subjects
    range: SubjectReference
  methods:
    name: methods
    required: true
  collected:
    name: collected
    required: true
attributes:
  uuid:
    name: uuid
    description: A machine-oriented, globally unique identifier with a cross-instance
      scope.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Catalog
    - Location
    - Party
    - Action
    - Property
    - Resource
    - Profile
    - AssessmentPlan
    - AssessmentSubjectPlaceholder
    - AssessmentPlatform
    - AssessmentMethod
    - Activity
    - Step
    - Task
    - AssessmentPart
    - SystemComponent
    - Protocol
    - SystemUser
    - InventoryItem
    - Observation
    - Finding
    - Risk
    - MitigatingFactor
    - Response
    - RequiredAsset
    - RiskLogEntry
    - SystemSecurityPlan
    - InformationType
    - Diagram
    - LeveragedAuthorization
    - SspImplementedRequirement
    - SspStatement
    - ByComponent
    - ProvidedControlImplementation
    - ControlResponsibility
    - InheritedControlImplementation
    - SatisfiedControlImplementation
    - AssessmentResults
    - Result
    - AssessmentLogEntry
    - ComponentDefinition
    - DefinedComponent
    - Capability
    - ControlImplementationSet
    - ImplementedRequirement
    - ImplementedControlStatement
    - MappingCollection
    - Mapping
    - Map
    - GapSummary
    - PlanOfActionAndMilestones
    - PoamItem
    range: UUIDType
    required: true
  title:
    name: title
    description: A human-readable name or title.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Group
    - Control
    - Metadata
    - Revision
    - Role
    - Location
    - Resource
    - Part
    - ProfileGroup
    - Addition
    - SubjectReference
    - AssessmentPlatform
    - Activity
    - Step
    - Task
    - AssessmentPart
    - ControlPart
    - SystemComponent
    - Protocol
    - SystemUser
    - AuthorizedPrivilege
    - Observation
    - Finding
    - FindingTarget
    - Risk
    - Response
    - RequiredAsset
    - RiskLogEntry
    - InformationType
    - LeveragedAuthorization
    - Result
    - AssessmentLogEntry
    - DefinedComponent
    - PoamItem
    range: MarkupLineType
  description:
    name: description
    description: A human-readable description.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Role
    - Resource
    - ParameterConstraint
    - ReviewedControls
    - ControlSelection
    - ControlObjectiveSelection
    - AssessmentSubject
    - AssessmentSubjectPlaceholder
    - LocalObjective
    - AssessmentMethod
    - Activity
    - Step
    - Task
    - SystemComponent
    - SystemUser
    - AuthorizedPrivilege
    - InventoryItem
    - Observation
    - RelevantEvidence
    - Finding
    - FindingTarget
    - Risk
    - MitigatingFactor
    - Response
    - RequiredAsset
    - RiskLogEntry
    - SystemCharacteristics
    - InformationType
    - AuthorizationBoundary
    - Diagram
    - NetworkArchitecture
    - DataFlow
    - SspControlImplementation
    - ByComponent
    - Export
    - ProvidedControlImplementation
    - ControlResponsibility
    - InheritedControlImplementation
    - SatisfiedControlImplementation
    - Result
    - AssessmentLogEntry
    - DefinedComponent
    - Capability
    - IncorporatesComponent
    - ControlImplementationSet
    - ImplementedRequirement
    - ImplementedControlStatement
    - QualifierItem
    - PoamItem
    range: MarkupMultilineType
    required: true
  methods:
    name: methods
    description: Identifies how the observation was made. Recommended values are in
      ObservationMethodEnum; other values are permitted (OSCAL allow-other="yes").
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Observation
    range: string
    required: true
    multivalued: true
    any_of:
    - range: ObservationMethodEnum
    - range: string
  types:
    name: types
    description: Identifies the nature of the observation. Recommended values are
      in ObservationTypeEnum; other values are permitted (OSCAL allow-other="yes").
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Observation
    range: string
    multivalued: true
    any_of:
    - range: ObservationTypeEnum
    - range: string
  origins:
    name: origins
    description: Identifies the source of observations, findings, or risks.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Observation
    - Finding
    - Risk
    - Response
    - PoamItem
    range: Origin
    multivalued: true
    inlined: true
    inlined_as_list: true
  subjects:
    name: subjects
    description: Assessment subjects or subject references for this object.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Task
    - AssociatedActivity
    - RelatedTask
    - IdentifiedSubject
    - Observation
    - MitigatingFactor
    - RequiredAsset
    range: SubjectReference
    multivalued: true
    inlined: true
    inlined_as_list: true
  relevant-evidence:
    name: relevant-evidence
    description: Links the observation to relevant evidence.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    alias: relevant_evidence
    owner: Observation
    domain_of:
    - Observation
    range: RelevantEvidence
    multivalued: true
    inlined: true
    inlined_as_list: true
  collected:
    name: collected
    description: Date/time stamp identifying when the finding information was collected.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Observation
    range: DateTimeWithTimezoneType
    required: true
  expires:
    name: expires
    description: Date/time identifying when the finding information is no longer considered
      valid.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - Observation
    range: DateTimeWithTimezoneType
  remarks:
    name: remarks
    description: Additional commentary about the containing object.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - OscalCommon
    - Property
    - Resource
    - ConstraintTest
    - ControlMatching
    - Removal
    - ImportSSP
    - LocalDefinitions
    - SelectObjectiveById
    - AssessmentSubjectSource
    - OnDateCondition
    - WithinDateRange
    - AtFrequency
    - TaskDependency
    - SetParameter
    - ComponentStatus
    - PortRange
    - ImplementationStatus
    - ObjectiveStatus
    - RelatedObservation
    - AssociatedRisk
    - LoggedBy
    - ImportProfile
    - SystemCharacteristics
    - SystemStatus
    - AuthorizationBoundary
    - Diagram
    - NetworkArchitecture
    - DataFlow
    - SystemImplementation
    - LeveragedAuthorization
    - SspImplementedRequirement
    - SspStatement
    - ByComponent
    - ProvidedControlImplementation
    - ControlResponsibility
    - InheritedControlImplementation
    - SatisfiedControlImplementation
    - ImportAssessmentPlan
    - AssessmentResultsLocalDefinitions
    - ImportComponentDefinition
    - ImplementedRequirement
    - ImplementedControlStatement
    - QualifierItem
    - PoamLocalDefinitions
    - RelatedFinding
    range: MarkupMultilineType
  props:
    name: props
    description: A list of properties.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - HasPropsAndLinks
    - Resource
    - Addition
    - SystemInformation
    - InformationType
    - ImpactLevel
    - AuthorizationBoundary
    - Diagram
    - NetworkArchitecture
    - DataFlow
    - SystemImplementation
    - LeveragedAuthorization
    - SspImplementedRequirement
    - SspStatement
    - ByComponent
    - Export
    - ProvidedControlImplementation
    - ControlResponsibility
    - InheritedControlImplementation
    - SatisfiedControlImplementation
    range: Property
    multivalued: true
    inlined: true
    inlined_as_list: true
  links:
    name: links
    description: A list of links.
    from_schema: https://w3id.org/lmodel/oscal
    rank: 1000
    owner: Observation
    domain_of:
    - HasPropsAndLinks
    - Addition
    - SystemInformation
    - InformationType
    - ImpactLevel
    - AuthorizationBoundary
    - Diagram
    - NetworkArchitecture
    - DataFlow
    - SystemImplementation
    - LeveragedAuthorization
    - SspImplementedRequirement
    - SspStatement
    - ByComponent
    - Export
    - ProvidedControlImplementation
    - ControlResponsibility
    - InheritedControlImplementation
    - SatisfiedControlImplementation
    range: Link
    multivalued: true
    inlined: true
    inlined_as_list: true