1
Open the properties dialog box
Right-click the field and select Properties, or open the Document Definition properties (in the Document Definition editor, select Document Definition → Document Definition Properties).
2
Create a new rule
On the Rules tab, click New Rule. Select Merge Fields and click OK.
3
Set the common rule options
Type a Name, set the conditions for applying the rule and any Tags as needed, and click Next. For the full list of common rule options, see Set up rules.
4
Choose the fields, result, and separator
Click Add to add the fields to the Fields to merge list. Specify a Result field to store the merged value, and set the separator in the Separator box.
5
Set the separator behavior
By default, separators are added only between non-empty values. To add separators even for empty field values, select Put separators for empty field values.
6
Finish
Click Finish. The rule name appears on the Rules tab.
