# Slot: primaryKey

URI: [frictionless:primaryKey](https://w3id.org/linkml/frictionless/primaryKey)



<!-- no inheritance hierarchy -->




## Applicable Classes

| Name | Description | Modifies Slot |
| --- | --- | --- |
[Schema](Schema.md) |  |  no  |







## Properties

* Range: [Field](Field.md)

* Multivalued: True






## Examples

| Value |
| --- |
| id |

## Identifier and Mapping Information







### Schema Source


* from schema: https://w3id.org/linkml/frictionless




## LinkML Source

<details>
```yaml
name: primaryKey
examples:
- value: id
from_schema: https://w3id.org/linkml/frictionless
close_mappings:
- linkml:identifier
- linkml:unique_keys
rank: 1000
multivalued: true
alias: primaryKey
domain_of:
- Schema
range: Field

```
</details>