Boolean Field Format Strings
The format string to customize a Boolean string depends on the result desired. Enter the Truevalue / Falsevalue. It must be composed of alphanumeric characters and include a / between the true and false entries. True always takes precedence over false. The default format of FormatType ftBoolean is Yes/No.
For example
FormatType: ftBoolean
FormatString: Buying product/Not interested
Data (Unformatted): T
Result: Buying product