Yes / No (Boolean)


The Yes/No datatype is used as Boolean (True/False) and has 2 specific values (Yes/True or No/False) besides the Unknown situation (which is not really a specific value), and is mostly used for conditional statements. When a YesNo field-value is displayed on a page, it will - based on the current language - display Yes or No or nothing when the situation is Unknown. In Expressions the True and False equivalents are implicated; Unknown should be regarded specifically if that situation may occur (check the If-Unknown operator)

  • True

  • False

  • Unknown


An unknown value can be written as UnknownBoolean.

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