Is it possible to setup SMS based OTP's in Keycloak

I need to implement MFA in my application using username/password and OTP through SMS.
Is it possible to achieve this in keycloak.

Yes, it’s possible, but not ootb. You have to implement it in your own authenticator using the authenticator spi.
Have a look here in this example (not from me):

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Thank you for your response.

Hi dasniko
I have seen this link, but as per this the link i cannot able to see the ‘SMS Authentication’ option in Add execution in flows, can you please help me on this