# IcebergPartitionField
<a name="API_IcebergPartitionField"></a>

Defines a single partition field within an Iceberg partition specification, including the source field, transformation function, partition name, and unique identifier.

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

 ** Name **   <a name="Glue-Type-IcebergPartitionField-Name"></a>
The name of the partition field as it will appear in the partitioned table structure.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 1024.  
Pattern: `[\u0020-\uD7FF\uE000-\uFFFD\uD800\uDC00-\uDBFF\uDFFF\t]*`   
Required: Yes

 ** SourceId **   <a name="Glue-Type-IcebergPartitionField-SourceId"></a>
The identifier of the source field from the table schema that this partition field is based on.  
Type: Integer  
Required: Yes

 ** Transform **   <a name="Glue-Type-IcebergPartitionField-Transform"></a>
The transformation function applied to the source field to create the partition, such as identity, bucket, truncate, year, month, day, or hour.  
Type: String  
Required: Yes

 ** FieldId **   <a name="Glue-Type-IcebergPartitionField-FieldId"></a>
The unique identifier assigned to this partition field within the Iceberg table's partition specification.  
Type: Integer  
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/glue-2017-03-31/IcebergPartitionField) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/glue-2017-03-31/IcebergPartitionField) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/glue-2017-03-31/IcebergPartitionField)