# CollectionScheme
<a name="API_CollectionScheme"></a>

Specifies what data to collect and how often or when to collect it.

## Contents
<a name="API_CollectionScheme_Contents"></a>

**Important**  
This data type is a UNION, so only one of the following members can be specified when used or returned.

 ** conditionBasedCollectionScheme **   <a name="iotfleetwise-Type-CollectionScheme-conditionBasedCollectionScheme"></a>
Information about a collection scheme that uses a simple logical expression to recognize what data to collect.  
Type: [ConditionBasedCollectionScheme](API_ConditionBasedCollectionScheme.md) object  
Required: No

 ** timeBasedCollectionScheme **   <a name="iotfleetwise-Type-CollectionScheme-timeBasedCollectionScheme"></a>
Information about a collection scheme that uses a time period to decide how often to collect data.  
Type: [TimeBasedCollectionScheme](API_TimeBasedCollectionScheme.md) object  
Required: No

## See Also
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For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/iotfleetwise-2021-06-17/CollectionScheme) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/iotfleetwise-2021-06-17/CollectionScheme) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/iotfleetwise-2021-06-17/CollectionScheme)