There is a simple way to store something that applies to the whole document.
In the same way that you can add a user data key for an object you can do so for the drawing canvas itself. Click on the canvas background and add, say a key called 'approvedBy' and enter a value.
All you then need to do is in any graphic shape that needs the value you enter the string:
Code:
<%UserData approvedBy%>
It really is that simple. It also works for the standard keys for each document by using a slightly different form:
Code:
<%Authors%>, <%Organizations%>, <%CreationDate%>
to give:
