Hortonworks Streaming Analytics Manager User Guide
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Adding Custom Functions

User Defined Aggregate Functions (UDAFs) enable you to add custom aggregate functions to SAM. After you create and register UADFs, they are available for use in the Aggregate processor.

User Defined Functions (UDFs) enable you to perform simple transformations on event streams. This is used in the Projection processor.

This section provides information on how to create, build, and upload these custom functions.