Workflow real time approvers

Question

Hi,
How can i get the real time level approvers in a workflow situation, example for a certain document the approvers are already defined, but during the process sometimes they change, how can i get the real approvers to show in a report, using abap ?
Thanks in Advance.

Answer 1

There are in general three solutions:
1) The easy path is to update a table (application table, not workflow table) with information about when and by who the document was approved. Easy in the sense that the information is easily available, not always so easy with respect to keeping the information updated - especially if approvals can be withdrawn.
2) If change documents are written, and there is a status (there often is) indicating whether the document has been approved or not, you can check the change documents. I have posted ABAP code here on SDN using this technique to display the approver in purchase requisition release. Unfortunately I can't recall which forum I posted it in, but that's why there is a search possibility. Have a look at PR First release by initiator.
3) Use the workflow logs as outlined by Arghadip, except his solution won't work at all. This requires no table updates anywhere, other than what is done by the workflow engine. The disadvantage is that you most likely will end up hard-coding (or read from a table) the tasks that are relevant, in order to improve performance and avoid false positives. Thus you have to remember updating the table (or report) if the workflow solution changes.
What you need to do is not check SWWUSERWI (this table is for work items that have not been completed), you need to check the logged data for the work items, using the SAP_WAPI function modules. For instance, you would be interested in the decision that was made (approve or reject), and the actual agent of the work item.