# UpdateRotation
<a name="API_SSMContacts_UpdateRotation"></a>

**Important**  
 AWS Systems Manager Incident Manager is no longer open to new customers. Existing customers can continue to use the service as normal. For more information, see [Incident Manager availability change](https://docs.aws.amazon.com/incident-manager/latest/userguide/incident-manager-availability-change.html).

Updates the information specified for an on-call rotation.

## Request Syntax
<a name="API_SSMContacts_UpdateRotation_RequestSyntax"></a>

```
{
   "ContactIds": [ "string" ],
   "Recurrence": { 
      "DailySettings": [ 
         { 
            "HourOfDay": number,
            "MinuteOfHour": number
         }
      ],
      "MonthlySettings": [ 
         { 
            "DayOfMonth": number,
            "HandOffTime": { 
               "HourOfDay": number,
               "MinuteOfHour": number
            }
         }
      ],
      "NumberOfOnCalls": number,
      "RecurrenceMultiplier": number,
      "ShiftCoverages": { 
         "string" : [ 
            { 
               "End": { 
                  "HourOfDay": number,
                  "MinuteOfHour": number
               },
               "Start": { 
                  "HourOfDay": number,
                  "MinuteOfHour": number
               }
            }
         ]
      },
      "WeeklySettings": [ 
         { 
            "DayOfWeek": "string",
            "HandOffTime": { 
               "HourOfDay": number,
               "MinuteOfHour": number
            }
         }
      ]
   },
   "RotationId": "string",
   "StartTime": number,
   "TimeZoneId": "string"
}
```

## Request Parameters
<a name="API_SSMContacts_UpdateRotation_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [ContactIds](#API_SSMContacts_UpdateRotation_RequestSyntax) **   <a name="IncidentManager-SSMContacts_UpdateRotation-request-ContactIds"></a>
The Amazon Resource Names (ARNs) of the contacts to include in the updated rotation.   
Only the `PERSONAL` contact type is supported. The contact types `ESCALATION` and `ONCALL_SCHEDULE` are not supported for this operation. 
The order in which you list the contacts is their shift order in the rotation schedule.  
Type: Array of strings  
Array Members: Minimum number of 1 item. Maximum number of 30 items.  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `arn:(aws|aws-cn|aws-us-gov):ssm-contacts:[-\w+=\/,.@]*:[0-9]+:([\w+=\/,.@:-])*`   
Required: No

 ** [Recurrence](#API_SSMContacts_UpdateRotation_RequestSyntax) **   <a name="IncidentManager-SSMContacts_UpdateRotation-request-Recurrence"></a>
Information about how long the updated rotation lasts before restarting at the beginning of the shift order.  
Type: [RecurrenceSettings](API_SSMContacts_RecurrenceSettings.md) object  
Required: Yes

 ** [RotationId](#API_SSMContacts_UpdateRotation_RequestSyntax) **   <a name="IncidentManager-SSMContacts_UpdateRotation-request-RotationId"></a>
The Amazon Resource Name (ARN) of the rotation to update.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 2048.  
Pattern: `arn:(aws|aws-cn|aws-us-gov):ssm-contacts:[-\w+=\/,.@]*:[0-9]+:([\w+=\/,.@:-])*`   
Required: Yes

 ** [StartTime](#API_SSMContacts_UpdateRotation_RequestSyntax) **   <a name="IncidentManager-SSMContacts_UpdateRotation-request-StartTime"></a>
The date and time the rotation goes into effect.  
Type: Timestamp  
Required: No

 ** [TimeZoneId](#API_SSMContacts_UpdateRotation_RequestSyntax) **   <a name="IncidentManager-SSMContacts_UpdateRotation-request-TimeZoneId"></a>
The time zone to base the updated rotation’s activity on, in Internet Assigned Numbers Authority (IANA) format. For example: "America/Los\$1Angeles", "UTC", or "Asia/Seoul". For more information, see the [Time Zone Database](https://www.iana.org/time-zones) on the IANA website.  
Designators for time zones that don’t support Daylight Savings Time Rules, such as Pacific Standard Time (PST), aren't supported.
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 255.  
Pattern: `^[:a-zA-Z0-9_\-\s\.\\/]*$`   
Required: No

## Response Elements
<a name="API_SSMContacts_UpdateRotation_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

## Errors
<a name="API_SSMContacts_UpdateRotation_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You don't have sufficient access to perform this operation.  
HTTP Status Code: 400

 ** ConflictException **   
Updating or deleting a resource causes an inconsistent state.  
HTTP Status Code: 400

 ** InternalServerException **   
Unexpected error occurred while processing the request.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
Request references a resource that doesn't exist.  
HTTP Status Code: 400

 ** ThrottlingException **   
The request was denied due to request throttling.  
HTTP Status Code: 400

 ** ValidationException **   
The input fails to satisfy the constraints specified by an AWS service.  
HTTP Status Code: 400

## See Also
<a name="API_SSMContacts_UpdateRotation_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ssm-contacts-2021-05-03/UpdateRotation) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ssm-contacts-2021-05-03/UpdateRotation)