CMS_STR_IR_PRD_CLASS_POPUP 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 "Structure for the popup to select a product class" 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_CMS_STR_IR_PRD_CLASS_POPUP TYPE CMS_STR_IR_PRD_CLASS_POPUP.
The CMS_STR_IR_PRD_CLASS_POPUP table consists of various fields, each holding specific information or linking keys about Structure for the popup to select a product class data available in SAP. These include PRD_NAME (Product Name in a Specified Language), CRDSYSTXT (Credit System Text)... 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. .