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File: //usr/share/doc/awscli/examples/cognito-idp/set-user-mfa-preference.rst
**To set user MFA settings**

This example modifies the MFA delivery options. It changes the MFA delivery medium to SMS.

Command::

  aws cognito-idp set-user-mfa-preference --access-token ACCESS_TOKEN --mfa-options DeliveryMedium="SMS",AttributeName="phone_number"