Adding Elements to the Flat File Dictionary
You can add elements to the Record Definition, Composite Definition, or Field Definition elements of the flat file dictionary.
To add elements to the flat file dictionary
1. In the Package Navigator view of Designer, open the flat file dictionary to which you want to add elements.
2. Select the element type to which you want to add an element (Record Definition, Composite Definition, or Field Definition) and click 
in the flat file dictionary editor toolbar. The New Flat File Element dialog box displays the valid elements that you can add to the element type you have selected. For more information about adding elements to flat file dictionary, see
Defining Flat File Elements.
3. After you have added all the elements to the flat file dictionary, save the dictionary. You now can create flat file schemas based on this flat file dictionary.
Note: You cannot create references to the elements added to a dictionary until you save the dictionary.