How can I configure the Z field added to the BUT000 table via web ui in the CRM system to the BP screen?

After saving the invoice to vf02, I want to write my code if ZZ_MUH_TRH in the VBRK table is full. But I couldn't find in which user exit to do this. I put a breakpoint in userexit_fill_vbrk_vbrp in RV60AFZC and clicked save the invoice but it didn't...

I lock the document with ENQUEUE_E_CRM_ORDER in a method in abap. But when I release the code with F8, I check it from SM12. The lock is lifted. How can I prevent this? I see the lock has been removed. How can I prevent this? I want the lock to conti...

When we mark a checkbox on a line in Abap Alv, I want to stay on the line you are working on after the Alv refresh process.I don't want it to show the top line after alv refresh. 

 This is how I can download an advanced excel file with abap ole object. But I want to send it by e-mail without downloading it. CALL METHOD OF    e_work    'SAVEAS'    EXPORTING      #1 = gv_fullpath.  CALL METHOD OF    e_work    'close'.  CALL METH...