CSMBK_CL is a standard SAP Table which is used to store Class Definitions in CCMS Repository data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The CSMBK_CL table consists of various fields, each holding specific information or linking keys about Class Definitions in CCMS Repository data available in SAP. These include SCHEME (Name of Schema or Semantic in System Repository), CLASS (CCMS class names), ACTIVE (Indicator for Meta Data in System Component Repository), DOMVERS (Dominant or subsidiary version number of a CCMS class)... 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. .