Using IF statement in constraint_message

[wroos]

Hello,
such if-based dynamic is not possible for messages, see previous discussion here

Dynamic Constraint Message (Logic expression)

per https://opendatakit.github.io/xforms-spec/#bind-attributes: jr:constraintMsg Specifies the custom message to be displayed when the constraint is violated. Value can be string literal ( jr:requiredMsg="message" ) or a translation function call ( jr:requiredMsg="jr:itext('id')" ). [BTW typo noted…] Which is to say, the contents of the constraint_message column in an XLSForm are interpreted as either a literal string, or at most a jr:itext() translation. Whereas relevant, required, read_on…

Kind regards