How to add a data field
1  
Figure 3-6  
2  
Choose Data Fields. Data Fields appears. Figure 3-7 shows an example of Data Fields displaying two fields, customerName and phone, which are currently used in the table.
Figure 3-7  
3  
Figure 3-8  
4  
5  
If you are in the process of defining an expression for a computed column, you can choose the Add Data Field link, as shown in Figure 3-9, then follow steps 3 through 5 to add fields.
Figure 3-9  

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