Explanation:

Scenario: The Chief Financial Officer (CFO) requires the following reports:
A report that shows all outstanding invoices, their cash discount types including the new minimum threshold applicable, and the amount of the discount. The report must only be accessed by users who are members of the Accounts Payable Manager role.
Box 1: DataContractAttribute
DataContractAttribute - This attribute is applied to an X++ class and specifies that the class can be used as a data contract (that it should be serialized).
Box 2: DataMemberAttribute
DataMemberAttribute - This attribute is applied to a parm (parameter) method on an X++ data contract class and specifies that the data member should be serialized.
Box 3: SRSReportParameterAttribute
You set the SRSReportParameterAttribute attribute to the data contract you created for the RDP class.
Reference:
https://docs.microsoft.com/en-us/dynamicsax-2012/appuser-itpro/how-to-use-a-report-data-provider-class-in- a-report