if blank tag

The if blank tag is used to set a value to open-ended fields that are left unfilled, similar to if not set.

3. Enter the percent of time you spend on each activity.
instructions: Ensure your total adds to 100%.
type: integer table
required: n
range: 0-100
if blank: 0
required: n
postfix: %
sct: Total: {total: 100} {message: Please ensure that your total is 100%.}
rows:
1. Running
2. Walking
3. Lifting weights
4. Biking
5. Playing sports
6. Swimming
7. Yoga

Details

• The if blank tag works with open-ended text questions and table rows, as well as in a set defaults definition.
• The input to if blank can be any positive integer or '0', and is most commonly '0'. The input value is set in the data once the question is successfully submitted.
• if blank is recommended for more advanced reporting functionality like averages and situations where a blank is not the same as a '0'.
• The if blank tag is most commonly used with sum-to-100 tables, as shown above.