COMS_ALTID_CONT is a standard SAP Table which is used to store Context Fields for Alternative IDs data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The COMS_ALTID_CONT table consists of various fields, each holding specific information or linking keys about Context Fields for Alternative IDs data available in SAP. These include DATA_TYPE (Data Types for Environment Data Fields Alternative IDs)... 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. .