# APIs in the AWS Glue Scala library
<a name="glue-etl-scala-apis"></a>

AWS Glue supports an extension of the PySpark Scala dialect for scripting extract, transform, and load (ETL) jobs. The following sections describe the APIs in the AWS Glue Scala library.

## com.amazonaws.services.glue
<a name="glue-etl-scala-apis-glue"></a>

The **com.amazonaws.services.glue** package in the AWS Glue Scala library contains the following APIs:
+ [ChoiceOption](glue-etl-scala-apis-glue-choiceoption.md)
+ [DataSink](glue-etl-scala-apis-glue-datasink-class.md)
+ [DataSource trait](glue-etl-scala-apis-glue-datasource-trait.md)
+ [DynamicFrame](glue-etl-scala-apis-glue-dynamicframe.md)
+ [DynamicRecord](glue-etl-scala-apis-glue-dynamicrecord-class.md)
+ [GlueContext](glue-etl-scala-apis-glue-gluecontext.md)
+ [MappingSpec](glue-etl-scala-apis-glue-mappingspec.md)
+ [ResolveSpec](glue-etl-scala-apis-glue-resolvespec.md)

## com.amazonaws.services.glue.ml
<a name="glue-etl-scala-apis-glue-ml"></a>

The **com.amazonaws.services.glue.ml** package in the AWS Glue Scala library contains the following APIs:
+ [FillMissingValues](glue-etl-scala-apis-glue-ml-fillmissingvalues.md)
+ [FindIncrementalMatches](glue-etl-scala-apis-glue-ml-findincrementalmatches.md)
+ [FindMatches](glue-etl-scala-apis-glue-ml-findmatches.md)

## com.amazonaws.services.glue.dq
<a name="glue-etl-scala-apis-glue-dq"></a>

The **com.amazonaws.services.glue.dq** package in the AWS Glue Scala library contains the following APIs:
+ [EvaluateDataQuality](glue-etl-scala-apis-glue-dq-EvaluateDataQuality.md)

## com.amazonaws.services.glue.types
<a name="glue-etl-scala-apis-glue-types"></a>

The **com.amazonaws.services.glue.types** package in the AWS Glue Scala library contains the following APIs:
+ [ArrayNode](glue-etl-scala-apis-glue-types-arraynode.md)
+ [BinaryNode](glue-etl-scala-apis-glue-types-binarynode.md)
+ [BooleanNode](glue-etl-scala-apis-glue-types-booleannode.md)
+ [ByteNode](glue-etl-scala-apis-glue-types-bytenode.md)
+ [DateNode](glue-etl-scala-apis-glue-types-datenode.md)
+ [DecimalNode](glue-etl-scala-apis-glue-types-decimalnode.md)
+ [DoubleNode](glue-etl-scala-apis-glue-types-doublenode.md)
+ [DynamicNode](glue-etl-scala-apis-glue-types-dynamicnode.md)
+ [FloatNode](glue-etl-scala-apis-glue-types-floatnode.md)
+ [IntegerNode](glue-etl-scala-apis-glue-types-integernode.md)
+ [LongNode](glue-etl-scala-apis-glue-types-longnode.md)
+ [MapLikeNode](glue-etl-scala-apis-glue-types-maplikenode.md)
+ [MapNode](glue-etl-scala-apis-glue-types-mapnode.md)
+ [NullNode](glue-etl-scala-apis-glue-types-nullnode.md)
+ [ObjectNode](glue-etl-scala-apis-glue-types-objectnode.md)
+ [ScalarNode](glue-etl-scala-apis-glue-types-scalarnode.md)
+ [ShortNode](glue-etl-scala-apis-glue-types-shortnode.md)
+ [StringNode](glue-etl-scala-apis-glue-types-stringnode.md)
+ [TimestampNode](glue-etl-scala-apis-glue-types-timestampnode.md)

## com.amazonaws.services.glue.util
<a name="glue-etl-scala-apis-glue-util"></a>

The **com.amazonaws.services.glue.util** package in the AWS Glue Scala library contains the following APIs:
+ [GlueArgParser](glue-etl-scala-apis-glue-util-glueargparser.md)
+ [Job](glue-etl-scala-apis-glue-util-job.md)