# AWS Glue PySpark extensions reference
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AWS Glue has created the following extensions to the PySpark Python dialect.
+ [Accessing parameters using `getResolvedOptions`](aws-glue-api-crawler-pyspark-extensions-get-resolved-options.md)
+ [PySpark extension types](aws-glue-api-crawler-pyspark-extensions-types.md)
+ [DynamicFrame class](aws-glue-api-crawler-pyspark-extensions-dynamic-frame.md)
+ [DynamicFrameCollection class](aws-glue-api-crawler-pyspark-extensions-dynamic-frame-collection.md)
+ [DynamicFrameWriter class](aws-glue-api-crawler-pyspark-extensions-dynamic-frame-writer.md)
+ [DynamicFrameReader class](aws-glue-api-crawler-pyspark-extensions-dynamic-frame-reader.md)
+ [GlueContext class](aws-glue-api-crawler-pyspark-extensions-glue-context.md)