CMS_STR_SEC_ACC_POS_ADD_DATA 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 "Additional data of securities positions" 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_SEC_ACC_POS_ADD_DATA TYPE CMS_STR_SEC_ACC_POS_ADD_DATA.
The CMS_STR_SEC_ACC_POS_ADD_DATA table consists of various fields, each holding specific information or linking keys about Additional data of securities positions data available in SAP. These include SEC_POS_TYPE (Securities Classification Type), ISSUE_SOURCE (Name of Source which has Issued the Securities Position), QUOTE_METHOD (Method in which Position is Quoted during Trading), STOCK_EXCHNG (Name of Stock Exchange where Securities Account is Traded)... 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. .