This appendix provides information on User-Defined types (UDFs) and User‑Defined‑Methods (UDMs): User-Defined Types and User-Defined Methods User-Defined-Methods (UDMs) Creating UDTs with Teradata MultiLoad Inserting and Retrieving UDTs with Client Products External Types Inserting UDTs with Teradata MultiLoad Retrieving UDTs with Teradata MultiLoad Retrieving UDT Metadata with Teradata MultiLoad