BAPISSHDIN 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 "Communication fields: indep. reqmts schedule lines input" 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_BAPISSHDIN TYPE BAPISSHDIN.
The BAPISSHDIN table consists of various fields, each holding specific information or linking keys about Communication fields: indep. reqmts schedule lines input data available in SAP. These include REQ_DATE (Schedule line date), REQ_QTY (Planned quantity), UNIT (Base Unit of Measure), BOMEXPL (BOM explosion number)... 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. .