protected T getCandidateAccountFrom(final RequestContext requestContext) {
        return (T) requestContext.getFlowScope()
            .get(OneTimeTokenAccountCreateRegistrationAction.FLOW_SCOPE_ATTR_ACCOUNT, OneTimeTokenAccount.class);
    }
Parameter name indicating a validation request event.
support/cas-server-support-otp-mfa-core/src/main/java/org/apereo/cas/otp/web/flow/OneTimeTokenAccountSaveRegistrationAction.java