# Simplify\$1ddb\$1json class
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Simplifies nested columns in a `DynamicFrame` that are specifically in the DynamoDB JSON structure, and returns a new simplified `DynamicFrame`.

## Example
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We recommend that you use the `DynamicFrame.simplify_ddb_json()` method to simplify nested columns in a `DynamicFrame` that are specifically in the DynamoDB JSON structure. To view a code example, see [Example: Use simplify\$1ddb\$1json to invoke a DynamoDB JSON simplify](aws-glue-api-crawler-pyspark-extensions-dynamic-frame.md#pyspark-simplify-ddb-json-example).