Hello Communities,
Hope you are well...
Recently I facing one issue while extending an F0859 Fiori app, requirement is like that wanted to add two input fields with oData compatibility in the TAX tab as we can see in snapshots, as we see there is no extension available in the FIORI apps library, extended every view in the Web-Ide but could not able to find the code,
if someone has gone through the same or similar type of requirement can suggest some solution, it will be really helpful.
Thanks for Listening, have a great day, always stay Happy.

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