GRFNCUSTOMFLAG is a standard SAP Table which is used to store customizing flag data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The GRFNCUSTOMFLAG table consists of various fields, each holding specific information or linking keys about customizing flag data available in SAP. These include ITEM (Customizing item), ACTIVE (Activated or not)... 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. .