Slot: href
A resolvable URL reference to a resource.
URI: [oscal:href](https://w3id.org/lmodel/oscal/href)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [Link](Link.md) | A reference to a local or remote resource, that has a specific relation to th... | yes |
| [ResourceLink](ResourceLink.md) | A URL-based pointer to an external resource with an optional hash for verific... | yes |
| [ProfileImport](ProfileImport.md) | Designates a referenced source catalog or profile that provides a source of c... | yes |
| [ImportSSP](ImportSSP.md) | Used by the assessment plan and POA&M to import information about the system | yes |
| [RelevantEvidence](RelevantEvidence.md) | Links this observation to relevant evidence | no |
| [ThreatId](ThreatId.md) | A pointer, by ID, to an externally-defined threat | no |
| [ImportProfile](ImportProfile.md) | Used to import the OSCAL profile representing the system's control baseline | yes |
| [ImportAssessmentPlan](ImportAssessmentPlan.md) | Used by assessment-results to import information about the original plan for ... | yes |
| [ImportComponentDefinition](ImportComponentDefinition.md) | Loads a component definition from another resource | yes |
| [MappingResourceReference](MappingResourceReference.md) | A reference to the source or target resource for a mapping | yes |
| [ImplementationCommonLink](ImplementationCommonLink.md) | Implementation-common scoped OSCAL link | no |
| [SspSystemInformationLink](SspSystemInformationLink.md) | SSP-scoped link used in system information | no |
| [SspDiagramLink](SspDiagramLink.md) | SSP-scoped link used in diagram objects | no |
| [SspLeveragedAuthorizationLink](SspLeveragedAuthorizationLink.md) | SSP-scoped link used in leveraged authorization objects | no |
| [SspByComponentLink](SspByComponentLink.md) | SSP-scoped link used in by-component contexts | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [URIReferenceType](URIReferenceType.md) |
| Domain Of | [Link](Link.md), [ResourceLink](ResourceLink.md), [ProfileImport](ProfileImport.md), [ImportSSP](ImportSSP.md), [RelevantEvidence](RelevantEvidence.md), [ThreatId](ThreatId.md), [ImportProfile](ImportProfile.md), [ImportAssessmentPlan](ImportAssessmentPlan.md), [ImportComponentDefinition](ImportComponentDefinition.md), [MappingResourceReference](MappingResourceReference.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/lmodel/oscal
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | oscal:href |
| native | oscal:href |
## LinkML Source
name: href
description: A resolvable URL reference to a resource.
from_schema: https://w3id.org/lmodel/oscal
rank: 1000
domain_of:
- Link
- ResourceLink
- ProfileImport
- ImportSSP
- RelevantEvidence
- ThreatId
- ImportProfile
- ImportAssessmentPlan
- ImportComponentDefinition
- MappingResourceReference
range: URIReferenceType