SHDFV is a standard SAP Table which is used to store Transaction variants: Field contents data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The SHDFV table consists of various fields, each holding specific information or linking keys about Transaction variants: Field contents data available in SAP. These include TCODE (Transaction Code), TCVARIANT (Transaction variant), PROGNAME (BDC module pool), DYNPRO (BDC Screen number)... 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. .