CMS_STR_AST_DOC_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 "Struture with Asset Document Details" 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_AST_DOC_DATA TYPE CMS_STR_AST_DOC_DATA.
The CMS_STR_AST_DOC_DATA table consists of various fields, each holding specific information or linking keys about Struture with Asset Document Details data available in SAP. These include DOC_TYPE (Document Type), DOC_DATE (Document Date), PHYSICAL_LOCN (Physical location of the document)... 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. .