When expressions are used to determine property values, CardExchange® Producer and TrustID detect detects whether any variables were used in the expression. If so, it prompts for default values and adds the variables to the template's variable collection. Under the data tab in the explorer menu, the template's variables will appear under the variables sub tab and their values can be mapped to external data, like database columns or manual entries by selecting them and changing the drop down in the properties window.
...