AFVU is a standard SAP Table which is used to store DB structure of the user fields of the operation data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The AFVU table consists of various fields, each holding specific information or linking keys about DB structure of the user fields of the operation data available in SAP. These include AUFPL (Routing number of operations in the order), APLZL (General counter for order), SLWID (Key word ID for user-defined fields), USR00 (User field with 20 characters)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .