# Class: Field



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




```mermaid
 classDiagram
    class Field
      Field : constraints
        
          Field --> Constraints : constraints
        
      Field : description
        
      Field : enum
        
      Field : format
        
          Field --> format_enum : format
        
      Field : name
        
      Field : type
        
          Field --> type_enum : type
        
      
```




<!-- no inheritance hierarchy -->


## Slots

| Name | Cardinality and Range | Description | Inheritance |
| ---  | --- | --- | --- |
| [name](name.md) | 1..1 <br/> [String](String.md) |  | direct |
| [description](description.md) | 0..* <br/> [String](String.md) |  | direct |
| [type](type.md) | 0..1 <br/> [TypeEnum](TypeEnum.md) |  | direct |
| [constraints](constraints.md) | 0..1 <br/> [Constraints](Constraints.md) |  | direct |
| [format](format.md) | 0..1 <br/> [FormatEnum](FormatEnum.md) |  | direct |
| [enum](enum.md) | 0..* <br/> [String](String.md) |  | direct |





## Usages

| used by | used in | type | used |
| ---  | --- | --- | --- |
| [Reference](Reference.md) | [fields](fields.md) | range | [Field](Field.md) |
| [ForeignKeys](ForeignKeys.md) | [fields](fields.md) | range | [Field](Field.md) |
| [Schema](Schema.md) | [fields](fields.md) | range | [Field](Field.md) |
| [Schema](Schema.md) | [primaryKey](primaryKey.md) | range | [Field](Field.md) |






## Identifier and Mapping Information







### Schema Source


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





## Mappings

| Mapping Type | Mapped Value |
| ---  | ---  |
| self | frictionless:Field |
| native | frictionless:Field |





## LinkML Source

<!-- TODO: investigate https://stackoverflow.com/questions/37606292/how-to-create-tabbed-code-blocks-in-mkdocs-or-sphinx -->

### Direct

<details>
```yaml
name: Field
from_schema: https://w3id.org/linkml/frictionless
slots:
- name
- description
- type
- constraints
- format
- enum

```
</details>

### Induced

<details>
```yaml
name: Field
from_schema: https://w3id.org/linkml/frictionless
attributes:
  name:
    name: name
    examples:
    - value: description
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    slot_uri: linkml:name
    identifier: true
    alias: name
    owner: Field
    domain_of:
    - Field
    - Resource
    - Package
    range: string
    required: true
  description:
    name: description
    examples:
    - value: A human-readable description of this identifier namespace
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    slot_uri: linkml:description
    multivalued: true
    alias: description
    owner: Field
    domain_of:
    - Field
    - Resource
    range: string
  type:
    name: type
    examples:
    - value: string
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    alias: type
    owner: Field
    domain_of:
    - Field
    range: type_enum
  constraints:
    name: constraints
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    alias: constraints
    owner: Field
    domain_of:
    - Field
    range: Constraints
  format:
    name: format
    examples:
    - value: any
    from_schema: https://w3id.org/linkml/frictionless
    rank: 1000
    alias: format
    owner: Field
    domain_of:
    - Field
    range: format_enum
  enum:
    name: enum
    from_schema: https://w3id.org/linkml/frictionless
    close_mappings:
    - linkml:range
    rank: 1000
    multivalued: true
    alias: enum
    owner: Field
    domain_of:
    - Field
    range: string

```
</details>