---
type: resource-type
title: Rotation
description: aws resource type AWS::SSMContacts::Rotation
name: Rotation
lexicon: aws
resource_type: AWS::SSMContacts::Rotation
---
`AWS::SSMContacts::Rotation`, a resource type of the aws lexicon.

## Properties

- `ContactIds` (`string[]`, required): Members of the rotation
- `Name` (`string`, required): Name of the Rotation
- `Recurrence` (`Rotation_RecurrenceSettings`, required)
- `StartTime` (`string`, required): Start time of the first shift of Oncall Schedule
- `TimeZoneId` (`string`, required): TimeZone Identifier for the Oncall Schedule
- `Arn` (`string`, optional): The Amazon Resource Name (ARN) of the rotation.
- `Tags` (`Rotation_Tag[]`, optional)

## Attributes

- `Arn`

## Governed by

- [WAW043](/rules/WAW043.md): KMS customer-managed key does not have automatic key rotation enabled