How do I add multiple validations to a Constant Sum question? | XM Community
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How do I add multiple validations to a Constant Sum question?

  • 5 July 2019
  • 1 reply
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I want to add multiple validations to a single constant sum question - I assume I have to use a 'custom validation' but not sure how to do so...

The validations I want are:

1. The Constant Sum needs to add up to 100
2. Answers to each question must be a multiple of 5 from 0 to 100

Any help with how to do this would be greatly appreciated!
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Best answer by Kate 9 July 2019, 23:03

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The way the custom validation is set up, you kind of get one or the other from the looks of it.

To get "must total 100" is easy. There is a check box for it:
!

To get the "multiples of 5" rule going, you can set up a custom validation so that each line has to match a Regex condition. All this says is, "make sure that this line item ends with either a 0 or a 5":
!

The problem is, custom validation won't allow conditions for the sum total 😞

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