# Command auto regist difference uses by contain random email

**URL:** <https://forum.katalon.com/t/command-auto-regist-difference-uses-by-contain-random-email/13878>\
**Category:** Web Testing\
**Tags:** katalon-recorder\
**Created:** [October 23, 2018, 9:53am UTC](https://forum.katalon.com/t/command-auto-regist-difference-uses-by-contain-random-email/13878 "2018-10-23T09:53:32Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![vo\_thi\_thuyen](https://avatars.discourse-cdn.com/v4/letter/v/d9b06d/32.png) [@vo\_thi\_thuyen](https://forum.katalon.com/u/vo_thi_thuyen)\
**Post date:** [October 23, 2018, 9:53am UTC](https://forum.katalon.com/t/command-auto-regist-difference-uses-by-contain-random-email/13878/1 "2018-10-23T09:53:32Z")

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Hello,  
I have a question for case: when i create new user on register form/add user form but email is unique. Before run this test case again i have to edit email field by new value. It’s seem not good. So how can i add command allow auto generate email random on katalon recoder or not?

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**Author:** ![Piotr](https://avatars.discourse-cdn.com/v4/letter/p/839c29/32.png) [@Piotr](https://forum.katalon.com/u/Piotr)\
**Post date:** [January 4, 2019, 5:02pm UTC](https://forum.katalon.com/t/command-auto-regist-difference-uses-by-contain-random-email/13878/2 "2019-01-04T17:02:49Z")

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Hi,

if you don’t have to check e-mail box for meesages you can use JavaScript to generate random data, something like:  
someRandomData@someAnotherRandomData.randomDataAgain  
if, of course, page have proper validation for e-mail input.