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# Using SMS for verification codes

###### Autofilling verification code from SMS in your website

To enable your users' mobile devices to autofill website field with the verification code you sent in your SMS, you should add an _autocomplete_ attribute to the field definition with the value _"one-time-code"_. 

**For example:**
``<input type="text" name="my-otc" id="my-otc" autocomplete="one-time-code">``
[Link to iOS documentation](https://developer.apple.com/documentation/security/password_autofill/enabling_password_autofill_on_an_html_input_element)