Take values from a layout and add to another layout
I am sure this is simple, but I haven't got any idea on how to do it? I have a layout which has a letter in it. Using Merge Fields it adds specific information to the layout. This is a preview area where the user can see all the information which will be added to the letter.
What I would like to do is to take the fields and add them to another layout which will be in the format of a proper letter, then generate a PDF.
What I'm not quite sure how to do is to take the data in a field, and move it into another layout as they are not database fields. They are text fields with merge variables in them.
I believe this is the best method to do this as they may change the letter template over time which would then affect the PDF created.