COWB_MAT_DOC is an SAP Structure so does not store data like a database table does but can be used to process "Fields of Material Document for Display" 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_COWB_MAT_DOC TYPE COWB_MAT_DOC .
Below is the documentation avaialable and full details of the fields which make up this Structure.
|Data Type||length (Decimals)||Check table||Description||Conversion Routine|
|MBLNR||MBLNR||CHAR||10||Number of Material Document||ALPHA|
|MJAHR||MJAHR||NUMC||4||Material Document Year||GJAHR|
COWB_MAT_DOC - Fields of Material Document for Display COWB_KEY_STOCK - Key fields for stock- and batch determination COWB_HEADER - Header for goods movement FG COWB COWB_FILTER_FIELDS - Filter fields COWB_CTRL - Control structure FB COWB COWB_COMP_WIPB_RT - Runtime Structure for Goods Issues and Receipts WIP Batch