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I am using freemember forms to create my "registration" page. I have two custom member fields "employee last name" and "employee id". I added them in the "custom member fields" section. I need to make these two fields unique and fail the registration process if the values entered in the registration process are duplicates.

I could not find "unique" attribute in the custom member fields. Only "required" attribute. any help in this regards will be much appreciated.

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I don't think that there is anything in Freemember that you can use to force the values to be unique out of the box. Having said that you can do it with a bit of AJAX in your template. MadeByHippo posted an example of it on their blog a while back that might be of interest for you. ClientSide Username Checking

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    Since Carl's example uses segment variables, I recommend using the Active Record plugin rather than the SQL module to minimize security risks from SQL injection. – kmgdev Nov 4 '13 at 17:56
  • That is a great point – Justin Long Nov 4 '13 at 19:24
  • I did the ajax call and tested with the member fields DB to force uniqueness. – Bharath Parlapalli Nov 6 '13 at 14:59

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