Check fields at save

Hi cprojects experts,
My requirement is to check if a project role contains one or more BP when the user clicks the save button (if not i'd like to display an error message). I've tried badi DPR_ATTRIBUTES (methods VERIFY_ATTRIBUTES, CHECK, CHANGE_CHECK) and DPR_EVENTS (with filter ON_IF_DPR_COMMON_CHANGED). Unfortunately the badi implementations get triggered each time a field is changed.
Is there another badi which only gets triggered at click at the save button? Or is there a possibility to find out if the save button was clicked using the above mentioned badis?
I appreciate any hint!
Kind Regards
Wolfgang Brunneder

Hi Wolfgang,
a customer own subsystem should be the 'modification free' soluation for your case. Please take a look th example codes
CL_DPR_DEMO_SUBSYSTEM, which you can abort the save and raise error.
I think, for your case the method IF_DPR_APPL_PLUG_IN_SUBSYSTEM~PREPARE_TO_SAVE is relevant.
Regarding how to create a customer subsystem.
I think, what important is to create a Z class, which implement the both interface IF_DPR_APPL_PLUG_IN_SUBSYSTEM &
IF_DPR_APPL_BOOTSTRAP_MEMBE, and adjust the parameter SR_INSTANCE with your own class name. After then the program will search all the active class, which implemented the interfaces and call one after another.
Kind regards,
Zhenbo

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Check fields at save

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