Slot: File Extension (file_extension)
Typically a 3-4 letter code at the end of a filename that identifies the file format. Empty string for no extension.
URI: [includedcc:file_extension](https://includedcc.org/include-access-model/file_extension)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [File](File.md) | File | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [String](String.md) |
| Domain Of | [File](File.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
| Required | Yes |
## Identifier and Mapping Information
### Schema Source
* from schema: https://includedcc.org/include-access-model
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | includedcc:file_extension |
| native | includedcc:file_extension |
## LinkML Source
name: file_extension
description: Typically a 3-4 letter code at the end of a filename that identifies
the file format. Empty string for no extension.
title: File Extension
from_schema: https://includedcc.org/include-access-model
rank: 1000
domain_of:
- File
range: string
required: true