# IcebergPartitionSpec
<a name="API_IcebergPartitionSpec"></a>

Defines the partitioning specification for an Iceberg table, determining how table data will be organized and partitioned for optimal query performance.

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

 ** Fields **   <a name="Glue-Type-IcebergPartitionSpec-Fields"></a>
The list of partition fields that define how the table data should be partitioned, including source fields and their transformations.  
Type: Array of [IcebergPartitionField](API_IcebergPartitionField.md) objects  
Required: Yes

 ** SpecId **   <a name="Glue-Type-IcebergPartitionSpec-SpecId"></a>
The unique identifier for this partition specification within the Iceberg table's metadata history.  
Type: Integer  
Required: No

## See Also
<a name="API_IcebergPartitionSpec_SeeAlso"></a>

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/glue-2017-03-31/IcebergPartitionSpec) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/glue-2017-03-31/IcebergPartitionSpec) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/glue-2017-03-31/IcebergPartitionSpec)