Slot: source_file_date
modification date of the source of the schema
URI: [linkml:source_file_date](https://w3id.org/linkml/source_file_date)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [SchemaDefinition](SchemaDefinition.md) | A collection of definitions that make up a schema or a data model | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [Datetime](Datetime.md) |
| Domain | [SchemaDefinition](SchemaDefinition.md) |
| Domain Of | [SchemaDefinition](SchemaDefinition.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
### Slot Characteristics
| Property | Value |
| --- | --- |
| Readonly | Yes |
## In Subsets
* [BasicSubset](BasicSubset.md)
## Identifier and Mapping Information
### Schema Source
* from schema: https://w3id.org/linkml/meta
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | linkml:source_file_date |
| native | linkml:source_file_date |
## LinkML Source
name: source_file_date
description: modification date of the source of the schema
in_subset:
- BasicSubset
from_schema: https://w3id.org/linkml/meta
rank: 1000
domain: schema_definition
readonly: supplied by the loader
domain_of:
- schema_definition
range: datetime