Slot: unique_key_name
name of the unique key
URI: [linkml:unique_key_name](https://w3id.org/linkml/unique_key_name)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [UniqueKey](UniqueKey.md) | a collection of slots whose values uniquely identify an instance of a class | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [String](String.md) |
| Domain | [UniqueKey](UniqueKey.md) |
| Domain Of | [UniqueKey](UniqueKey.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
| Required | Yes |
### Slot Characteristics
| Property | Value |
| --- | --- |
| Key | Yes |
## In Subsets
* [SpecificationSubset](SpecificationSubset.md)
* [BasicSubset](BasicSubset.md)
* [RelationalModelProfile](RelationalModelProfile.md)
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/linkml/meta
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | linkml:unique_key_name |
| native | linkml:unique_key_name |
## LinkML Source
name: unique_key_name
description: name of the unique key
in_subset:
- SpecificationSubset
- BasicSubset
- RelationalModelProfile
from_schema: https://w3id.org/linkml/meta
rank: 1000
domain: unique_key
key: true
domain_of:
- unique_key
range: string
required: true