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# AWS::IoTAnalytics::Datastore TimestampPartition
<a name="aws-properties-iotanalytics-datastore-timestamppartition"></a>

A partition dimension defined by a timestamp attribute.

## Syntax
<a name="aws-properties-iotanalytics-datastore-timestamppartition-syntax"></a>

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

### JSON
<a name="aws-properties-iotanalytics-datastore-timestamppartition-syntax.json"></a>

```
{
  "[AttributeName](#cfn-iotanalytics-datastore-timestamppartition-attributename)" : String,
  "[TimestampFormat](#cfn-iotanalytics-datastore-timestamppartition-timestampformat)" : String
}
```

### YAML
<a name="aws-properties-iotanalytics-datastore-timestamppartition-syntax.yaml"></a>

```
  [AttributeName](#cfn-iotanalytics-datastore-timestamppartition-attributename): String
  [TimestampFormat](#cfn-iotanalytics-datastore-timestamppartition-timestampformat): String
```

## Properties
<a name="aws-properties-iotanalytics-datastore-timestamppartition-properties"></a>

`AttributeName`  <a name="cfn-iotanalytics-datastore-timestamppartition-attributename"></a>
The attribute name of the partition defined by a timestamp.   
*Required*: Yes  
*Type*: String  
*Pattern*: `[a-zA-Z0-9_]+`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`TimestampFormat`  <a name="cfn-iotanalytics-datastore-timestamppartition-timestampformat"></a>
The timestamp format of a partition defined by a timestamp. The default format is seconds since epoch (January 1, 1970 at midnight UTC time).  
*Required*: No  
*Type*: String  
*Pattern*: `[a-zA-Z0-9\s\[\]_,.'/:-]*`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)