Hi Siddharth.
I have checked the class CL_HRESS_PER_DETAIL , method MODIFY_CNR_BUTTON, found the solution -
SE80-->FPM_OVP_COMPONENT
Config ID: ZTESTESS_CC_PER_OVP-->Button "Start Configurator"
1. Select Edit Page.
2. TAB Toolbar Scheme
3. Add ToolBar Element
4. Element added.
![Agregar botones pagina de detalle.jpg]()
Thanks
Regards