Thanks for reply.

I need to know what information the codes to the side, actually fill in for you. It gives you a long list of things you can add to the message, but not a description of what will actually be shown.

Some are obvious - Like {B_LASTNAME} is the buyers last name etc,

But what {code here} do i need to add to the personalised message so it shows the tracking number that you have already updated their purchase with?

Whats the point of a "Preiview" screen .... if it dosent show you a preview of how the information you have entered will look when sent to someone else?