public AcceptPrimaryEmailUpdateRequest withOtp(String otp) {
        setOtp(otp);
        return this;
    }
<p>
The OTP code sent to the <code>PrimaryEmail</code> specified on the <code>StartPrimaryEmailUpdate</code> API
call.
</p>

@param otp
       The OTP code sent to the <code>PrimaryEmail</code> specified on the <code>StartPrimaryEmailUpdate</code>
       API call.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-account/src/main/java/com/amazonaws/services/account/model/AcceptPrimaryEmailUpdateRequest.java