# Slot: optional 

<div data-search-exclude markdown="1">



URI: [tvbo_sw:slot/optional](https://w3id.org/tvbo/software/slot/optional)
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## Applicable Classes

| Name | Description | Modifies Slot |
| --- | --- | --- |
| [SoftwareRequirement](../classes/SoftwareRequirement.qmd) | An individual software requirement binding a package to a version constraint ... |  no  |






## Properties

### Type and Range

| Property | Value |
| --- | --- |
| Range | [xsd:boolean](http://www.w3.org/2001/XMLSchema#boolean) |
| Domain Of | [SoftwareRequirement](../classes/SoftwareRequirement.qmd) |

### Cardinality and Requirements

| Property | Value |
| --- | --- |
### Slot Characteristics

| Property | Value |
| --- | --- |
| If Absent | `False` |
| Owner | [SoftwareRequirement](../classes/SoftwareRequirement.qmd) |












## Identifier and Mapping Information





### Schema Source


* from schema: https://w3id.org/tvbo/software




## Mappings

| Mapping Type | Mapped Value |
| ---  | ---  |
| self | tvbo_sw:optional |
| native | tvbo_sw:optional |




## LinkML Source

<details>
```yaml
name: optional
from_schema: https://w3id.org/tvbo/software
rank: 1000
ifabsent: 'False'
owner: SoftwareRequirement
domain_of:
- SoftwareRequirement
range: boolean

```
</details></div>