CFX_TOPIC_ID is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Collaboration Folders: Topic ID" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_CFX_TOPIC_ID TYPE CFX_TOPIC_ID.
The CFX_TOPIC_ID table consists of various fields, each holding specific information or linking keys about Collaboration Folders: Topic ID data available in SAP. These include TOPIC_ID (Topic ID)... 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. .