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Business rule not working in model driven app

Hi All,


I have three columns in entity PM (Lookup), Name reference(text) and Name ID(primary column, text). Now in model driven app when I create a record for a user then the column NameID should automatically get filled based on below business rule-


In CDS Name ID field is calculated and it contains data same as PM Lookup column. As I cannot use Lookup column in business rule directly so I am using it through Name reference column.



So when I insert data using PM Lookup column then the data gets inserted into Name reference but Name ID is still blank.

How can I solve this?


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