QS:Equals num value
From LimeSurvey Manual
Equals sum value (equals_num_value)
Description
Sets the sum total of all predefined answers that will be accepted. For example: Setting a value of 20 for this attribute would mean that the only acceptable total for all items would be 20. A value of 15 or 60 would be unacceptable.
If the option Value range allows missing is set : the sum value are not checked if whole questions are not answered.
Valid values
- Any number value
- Any SGQA code
- Any question code (variable name)
- Any equation, using ExpressionScript syntax, without surrounding curly braces.