# Date validation using pulled data in a note

**URL:** <https://forum.getodk.org/t/date-validation-using-pulled-data-in-a-note/21645>\
**Category:** Support\
**Created:** [August 24, 2019, 11:01am UTC](https://forum.getodk.org/t/date-validation-using-pulled-data-in-a-note/21645 "2019-08-24T11:01:03Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![danbjoseph](https://getodk.b-cdn.net/user_avatar/forum.getodk.org/danbjoseph/32/21901_2.png) [@danbjoseph](https://forum.getodk.org/u/danbjoseph)\
**Post date:** [August 26, 2019, 8:23am UTC](https://forum.getodk.org/t/date-validation-using-pulled-data-in-a-note/21645/2 "2019-08-26T08:23:33Z")

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Welcome to the ODK forum, @mahrukh! We're glad you're here. When you get a chance, please [introduce yourself on this other forum thread](https://forum.getodk.org/t/-/6671). I'd also encourage you to add a real picture as your avatar because it helps build community!

What have you tried so far? This should certainly be possible.

Constraints are described in the documentation: [https://docs.opendatakit.org/form-logic/#validating-and-restricting-responses](https://docs.opendatakit.org/form-logic/#validating-and-restricting-responses)

And there are a number of forum threads discussing constraints involving dates:  
[https://forum.getodk.org/search?q=date%20constraint](https://forum.getodk.org/search?q=date%20constraint)

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