WCCS is a standard SAP Table which is used to store WCM: Selection Fields for Data Transfer data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The WCCS table consists of various fields, each holding specific information or linking keys about WCM: Selection Fields for Data Transfer data available in SAP. These include FIELDID (Field)... 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. .