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

An asset property value entry containing the following information.

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

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

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

```
{
  "[Quality](#cfn-iot-topicrule-assetpropertyvalue-quality)" : String,
  "[Timestamp](#cfn-iot-topicrule-assetpropertyvalue-timestamp)" : AssetPropertyTimestamp,
  "[Value](#cfn-iot-topicrule-assetpropertyvalue-value)" : AssetPropertyVariant
}
```

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

```
  [Quality](#cfn-iot-topicrule-assetpropertyvalue-quality): String
  [Timestamp](#cfn-iot-topicrule-assetpropertyvalue-timestamp): 
    AssetPropertyTimestamp
  [Value](#cfn-iot-topicrule-assetpropertyvalue-value): 
    AssetPropertyVariant
```

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

`Quality`  <a name="cfn-iot-topicrule-assetpropertyvalue-quality"></a>
Optional. A string that describes the quality of the value. Accepts substitution templates. Must be `GOOD`, `BAD`, or `UNCERTAIN`.  
*Required*: No  
*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-assetpropertyvalue-timestamp"></a>
The asset property value timestamp.  
*Required*: Yes  
*Type*: [AssetPropertyTimestamp](aws-properties-iot-topicrule-assetpropertytimestamp.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)

`Value`  <a name="cfn-iot-topicrule-assetpropertyvalue-value"></a>
The value of the asset property.  
*Required*: Yes  
*Type*: [AssetPropertyVariant](aws-properties-iot-topicrule-assetpropertyvariant.md)  
*Update requires*: [No interruption](https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/using-cfn-updating-stacks-update-behaviors.html#update-no-interrupt)