# Customer validator

**URL:** <https://community.gatling.io/t/customer-validator/3994>\
**Category:** Gatling (Open-Source)\
**Created:** [October 16, 2017, 6:37pm UTC](https://community.gatling.io/t/customer-validator/3994 "2017-10-16T18:37:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![VKT](https://avatars.discourse-cdn.com/v4/letter/v/898d66/32.png) [@VKT](https://community.gatling.io/u/VKT)\
**Post date:** [October 16, 2017, 6:37pm UTC](https://community.gatling.io/t/customer-validator/3994/1 "2017-10-16T18:37:43Z")

</div>

is there any example code to write [custom validator?](https://github.com/gatling/gatling/blob/master/gatling-core/src/main/scala/io/gatling/core/check/CheckBuilder.scala#L159-L160)