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# AWS::IoT::TopicRule TimestreamAction
<a name="aws-properties-iot-topicrule-timestreamaction"></a>

Describes an action that writes records into an Amazon Timestream table.

## Syntax
<a name="aws-properties-iot-topicrule-timestreamaction-syntax"></a>

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

### JSON
<a name="aws-properties-iot-topicrule-timestreamaction-syntax.json"></a>

```
{
  "[DatabaseName](#cfn-iot-topicrule-timestreamaction-databasename)" : String,
  "[Dimensions](#cfn-iot-topicrule-timestreamaction-dimensions)" : [ TimestreamDimension, ... ],
  "[RoleArn](#cfn-iot-topicrule-timestreamaction-rolearn)" : String,
  "[TableName](#cfn-iot-topicrule-timestreamaction-tablename)" : String,
  "[Timestamp](#cfn-iot-topicrule-timestreamaction-timestamp)" : TimestreamTimestamp
}
```

### YAML
<a name="aws-properties-iot-topicrule-timestreamaction-syntax.yaml"></a>

```
  [DatabaseName](#cfn-iot-topicrule-timestreamaction-databasename): String
  [Dimensions](#cfn-iot-topicrule-timestreamaction-dimensions): 
    - TimestreamDimension
  [RoleArn](#cfn-iot-topicrule-timestreamaction-rolearn): String
  [TableName](#cfn-iot-topicrule-timestreamaction-tablename): String
  [Timestamp](#cfn-iot-topicrule-timestreamaction-timestamp): 
    TimestreamTimestamp
```

## Properties
<a name="aws-properties-iot-topicrule-timestreamaction-properties"></a>

`DatabaseName`  <a name="cfn-iot-topicrule-timestreamaction-databasename"></a>
The name of an Amazon Timestream database that has the table to write records into.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Dimensions`  <a name="cfn-iot-topicrule-timestreamaction-dimensions"></a>
Metadata attributes of the time series that are written in each measure record.  
*Required*: Yes  
*Type*: Array of [TimestreamDimension](aws-properties-iot-topicrule-timestreamdimension.md)  
*Minimum*: `1`  
*Maximum*: `128`  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`RoleArn`  <a name="cfn-iot-topicrule-timestreamaction-rolearn"></a>
The Amazon Resource Name (ARN) of the role that grants AWS IoT permission to write to the Timestream database table.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`TableName`  <a name="cfn-iot-topicrule-timestreamaction-tablename"></a>
The table where the message data will be written.  
*Required*: Yes  
*Type*: String  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Timestamp`  <a name="cfn-iot-topicrule-timestreamaction-timestamp"></a>
The value to use for the entry's timestamp. If blank, the time that the entry was processed is used.  
*Required*: No  
*Type*: [TimestreamTimestamp](aws-properties-iot-topicrule-timestreamtimestamp.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)