# Slot: required URI: [linkml:required](https://w3id.org/linkml/required) ## Applicable Classes | Name | Description | Modifies Slot | | --- | --- | --- | [Constraints](Constraints.md) | | no | ## Properties * Range: [Boolean](Boolean.md) ## Identifier and Mapping Information ### Schema Source * from schema: https://w3id.org/linkml/frictionless ## LinkML Source
```yaml name: required from_schema: https://w3id.org/linkml/frictionless rank: 1000 slot_uri: linkml:required alias: required domain_of: - Constraints range: boolean ```