Slot: isNominal
Indicates whether the timing is nominal (event-based) or not.
URI: [odm:slot/isNominal](https://cdisc.org/odm2/slot/isNominal)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [Timing](../classes/Timing.md) | A temporal element that describes the timing of an event or occurrence, which can be absolute, relative, or nominal | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [Boolean](../types/Boolean.md) |
| Domain Of | [Timing](../classes/Timing.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
### Slot Characteristics
| Property | Value |
| --- | --- |
| Owner | [Timing](../classes/Timing.md) |
## Identifier and Mapping Information
### Schema Source
* from schema: https://cdisc.org/dds
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | odm:isNominal |
| native | odm:isNominal |
## LinkML Source
name: isNominal
description: Indicates whether the timing is nominal (event-based) or not.
from_schema: https://cdisc.org/dds
rank: 1000
owner: Timing
domain_of:
- Timing
range: boolean