# PropertyDifference


Information about a resource property whose actual value differs from its expected value, as defined in the stack template and any values specified as template parameters. These will be present only for resources whose `StackResourceDriftStatus` is `MODIFIED`. For more information, see [Detect unmanaged configuration changes to stacks and resources with drift detection](https://docs.amazonaws.cn/AWSCloudFormation/latest/UserGuide/using-cfn-stack-drift.html).

## Contents


 ** ActualValue **   
The actual property value of the resource property.  
Type: String  
Required: Yes

 ** DifferenceType **   
The type of property difference.  
+  `ADD`: A value has been added to a resource property that's an array or list data type.
+  `REMOVE`: The property has been removed from the current resource configuration.
+  `NOT_EQUAL`: The current property value differs from its expected value (as defined in the stack template and any values specified as template parameters).
Type: String  
Valid Values: `ADD | REMOVE | NOT_EQUAL`   
Required: Yes

 ** ExpectedValue **   
The expected property value of the resource property, as defined in the stack template and any values specified as template parameters.  
Type: String  
Required: Yes

 ** PropertyPath **   
The fully-qualified path to the resource property.  
Type: String  
Required: Yes

## See Also


For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon SDK for C\$1\$1](https://docs.amazonaws.cn/goto/SdkForCpp/cloudformation-2010-05-15/PropertyDifference) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/cloudformation-2010-05-15/PropertyDifference) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/cloudformation-2010-05-15/PropertyDifference)