# Validation in Matrix Question

**URL:** <https://forum.surveyengine.com/t/validation-in-matrix-question/211>\
**Category:** Survey Building\
**Created:** [3 December 2024 22:00 UTC](https://forum.surveyengine.com/t/validation-in-matrix-question/211 "2024-12-03T22:00:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![yifeiwu](https://avatars.discourse-cdn.com/v4/letter/y/6de8d8/32.png) [@yifeiwu](https://forum.surveyengine.com/u/yifeiwu)\
**Post date:** [3 December 2024 22:00 UTC](https://forum.surveyengine.com/t/validation-in-matrix-question/211/1 "2024-12-03T22:00:59Z")

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Hi! I’m inquiring about validation for matrix questions. Is it possible to add a validation rule for each row of the matrix? For instance, in the matrix below, the only valid response for the four questions is “Yes-No-No-Yes,” in that specific order. How can I implement this validation rule?

I checked the tutorials and did not find an answer. Thank you!

 ![Screenshot 2024-12-03 165501](https://europe1.discourse-cdn.com/flex017/uploads/surveyengine/original/1X/8fe98c47f70c1d136a50be7ff41d1b65643048af.png)

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**Author:** ![Lutz](https://avatars.discourse-cdn.com/v4/letter/l/c4cdca/32.png) [@Lutz](https://forum.surveyengine.com/u/Lutz)\
**Post date:** [4 December 2024 15:23 UTC](https://forum.surveyengine.com/t/validation-in-matrix-question/211/2 "2024-12-04T15:23:51Z")

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You can use logical expressions in the validation like this:

 ![20241204matrix_validation](https://europe1.discourse-cdn.com/flex017/uploads/surveyengine/original/1X/8b6dff1e106d4d952b5eb9e21e947958690020a4.png)