null when the rule does not apply to this survey.
target is what the DESTINATION runs, with its provenance. Passed in rather than read from a constant so a rule cannot assert a version as fact, and so the same figure drives both the comparison and the message a user reads.
target
null when the rule does not apply to this survey.
targetis what the DESTINATION runs, with its provenance. Passed in rather than read from a constant so a rule cannot assert a version as fact, and so the same figure drives both the comparison and the message a user reads.