These are good link to know all about rdp report with parameter.
Parameters Overview Ax 2012
Creating a Report Bound to a Report Data Provider Class (X++ Business Logic) [AX 2012]
How to: Use a Report Data Provider Class in a Report [AX 2012]
Other details you can see by click on other menus.
Parameters Overview Ax 2012
Creating a Report Bound to a Report Data Provider Class (X++ Business Logic) [AX 2012]
How to: Use a Report Data Provider Class in a Report [AX 2012]
Other details you can see by click on other menus.