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Nintex Newbie

How to stop user to create more than 1 item

Hi, Is it possible to stop user to create more than one item using Nintex forms(Responsive) in Office 365 (Sharepoint Online)?


I tried to get values for the Created By equal to Current user but the List Lookup always gives "Please select a value as default and my name" if there is an item present. I wasn't able to created a rule to check if the List Lookup has value or not.


I have tried lenth() but it shows 0 for the default value


Can you please let me know how to acheive this functionality?



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Nintex Newbie

Re: How to stop user to create more than 1 item

Hi ,


Create a new column ex unique_user and type Person or Group type 

Under additional column setting  Enforce unique values set to YES

Store the user name value into person or group field .


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