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Tech Tip: Embedding a variable name or a field name in a text area
PRODUCT: 4D | VERSION: 2004.2 | PLATFORM: Mac & Win
Published On: July 29, 2005
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You can embed variables names or field names in text areas. The syntax to apply is <VariableName> or <[TableName]FieldName> When the text area is displayed, the current value of the variable or field is substituted. For example, you can dynamically change the label of a field by using embedded variable on the text area used as label as shown below.

text area

So when the text area is displayed in the form, the value of the variable is replaced.