# SpotRequestType

The Spot Instance request type.

- Source: [`aws-ec2/lib/launch-template.ts`](https://github.com/aws/aws-cdk/blob/v2.274.0/packages/aws-cdk-lib/aws-ec2/lib/launch-template.ts#L135)

## Members

| Member | Description |
| --- | --- |
| `ONE_TIME` | A one-time Spot Instance request remains active until Amazon EC2 launches the Spot Instance, the request expires, or you cancel the request. |
| `PERSISTENT` | A persistent Spot Instance request remains active until it expires or you cancel it, even if the request is fulfilled. |

## Referenced by

- [`LaunchTemplateSpotOptions`](/v2/docs/aws-cdk-lib.aws_ec2.LaunchTemplateSpotOptions).requestType