when you create any new form in AX you need to Rename it as your business need to rename any form in AX do the following :


1- in form methods override the init method 

2- write this line of code :

element.design().caption("Payment");

////////////////////////////////////////////////////////////////////////////////

Example:


 

public void init()

{

    super();

    element.design().caption("Payment");

}

in caption between double quotation put any name you want