SWW_WIENQU is an SAP Structure so does not store data like a database table does but can be used to process "Workflow: Enqueue Stack" 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_SWW_WIENQU TYPE SWW_WIENQU .
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|
|WORKITEM||SIBFLPORB||STRU||Workflow: Enqueue Stack|
SWW_WIENQU - Workflow: Enqueue Stack SWW_WIDEAD - Workflow: Structure for Deadline Data of Work Item SWW_WIDATA - Workflow: Data of a Work Item SWW_WIAGNT - Workflow: Agents for Execution of a Work Item SWW_WI2TOPWI - Workflow: Relation Work Item -> Toplevel Work Item SWW_WI2OBJ - Workflow Runtime: Relation of Work Item to Object