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# AWS::KinesisAnalyticsV2::Application ApplicationMaintenanceConfiguration
<a name="aws-properties-kinesisanalyticsv2-application-applicationmaintenanceconfiguration"></a>

Specifies the maintenance configuration for a Amazon Managed Service for Apache Flink.

## Syntax
<a name="aws-properties-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-syntax"></a>

To declare this entity in your CloudFormation template, use the following syntax:

### JSON
<a name="aws-properties-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-syntax.json"></a>

```
{
  "[ApplicationMaintenanceWindowStartTime](#cfn-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-applicationmaintenancewindowstarttime)" : String
}
```

### YAML
<a name="aws-properties-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-syntax.yaml"></a>

```
  [ApplicationMaintenanceWindowStartTime](#cfn-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-applicationmaintenancewindowstarttime): String
```

## Properties
<a name="aws-properties-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-properties"></a>

`ApplicationMaintenanceWindowStartTime`  <a name="cfn-kinesisanalyticsv2-application-applicationmaintenanceconfiguration-applicationmaintenancewindowstarttime"></a>
The UTC timestamp of a day from which the eight-hour maintenance window will begin every day of the week. Maintenance of the application happens only during this eight-hour window.  
*Required*: Yes  
*Type*: String  
*Pattern*: `^([01][0-9]|2[0-3]):[0-5][0-9]$`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)